Exploring Phylogenetic Relationships between Hundreds of Plant Fatty Acids Synthesized by Thousands of Plants. more details ...
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Fatty Acids

Structure images and info for more than 400 fatty acids. Click links to find species that produce a fatty acid, publications, and data.
Click 'Tree' to display phylogenetic distribution of plants that produce a fatty acid.

1 Structures drawn at OPSIN (opsin.ch.cam.uk)
2 Note: Many publications report FA contents as 18:1, 18:2, 18:3, etc. without specifying double bond position or configuration whereas other analyses specify oleic (18:1 delta 9c), linoleic acid, etc. SOFA (and PlantFAdb) store these data separately.
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    Displaying fatty acids 301 - 400 of 754 in total
    Structure Phylo Tree Systematic NameSort off ∆ Notation Other Names FormulaSort off MassSort off Data
    PointsSort off    		 SOFA
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    13 tetracosenoic acid Tree 13-Tetracosenoic acid 24:1-delta-13 C24H46O2 366.62 2
    Tetracosenoic acid Tree Tetracosenoic acid 24:1 ambiguous structure C24H46O2 366.35 324 M_158
    Tetracosanoic acid Tree Tetracosanoic acid 24:0 Lignoceric acid; n-Tetracosanoic acid C24 H48 O2 368.64 1683 M_157
    9 tricosenoic acid, (9z) Tree 9-Tricosenoic acid, (9Z)- 23:1-delta-9c C23H44O2 352.59 7
    Tricosanoic acid Tree Tricosanoic acid 23:0 22FA; Tricosylic acid; n-Tricosanoic acid C23 H46 O2 354.61 312 M_156
    Docosanoic acid, 22 hydroxy Docosanoic acid, 22-hydroxy- 22-OH-22:0 22-Hydroxydocosanoic acid; ω-Hydroxybehenic acid; ω-Hydroxydocosanoic acid; Phellonic acid C22 H44 O3 356.58 M_259
    Tricosanedioic acid Tricosanedioic acid 22-COOH-22:0 C23H44O4 384.67 M_558
    4,7,10,13,16,19 docosahexaenoic acid, (4z,7z,10z,13z,16z,19z) Tree 4,7,10,13,16,19-Docosahexaenoic acid, (4Z,7Z,10Z,13Z,16Z,19Z)- 22:6-delta-4c,7c,10c,13c,16c,19c 4,7,10,13,16,19-Docosahexaenoic acid, (all-Z)-; Docosahexaenoic acid; (4Z,7Z,10Z,13Z,16Z,19Z)-4,7,10,13,16,19-Docosahexaenoic acid; (4Z,7Z,10Z,13Z,... C22 H32 O2 328.49 7 M_408
    7,10,13,16,19 docosapentaenoic acid, (z,z,z,z,z) Tree 7,10,13,16,19-Docosapentaenoic acid, (Z,Z,Z,Z,Z)- 22:5-delta-7c,10c,13c,16c,19c C22 H34 O2 330.5 5 M_407
    Z,z,z,z 7,10,13,16 docosatetraenoic acid Tree Z,Z,Z,Z-7,10,13,16-Docosatetraenoic acid 22:4-delta-7c,10c,13c,16c Adrenic acid C22 H36 O2 332.52 10 M_155
    Z,z,z,z 5,13,16,19 docosatetraenoic acid Z,Z,Z,Z-5,13,16,19-Docosatetraenoic acid 22:4-delta-5c,13c,16c,19c C22H36O2 332.58 M_154
    7,10,13 docosatrienoic acid, (7z,10z,13z) 7,10,13-Docosatrienoic acid, (7Z,10Z,13Z)- 22:3-delta-7c,10c,13c 5-cis,8-cis,11-cis,14-cis-Eicosatetraenoic acid C22 H38 O2 334.54 M_151
    5,13,16 docosatrienoic acid, (5z,13z,16z) Tree 5,13,16-Docosatrienoic acid, (5Z,13Z,16Z)- 22:3-delta-5c,13c,16c Eranthic acid; Eranthic acid C22 H38 O2 334.54 6 M_150
    E,z,z 3,13,16 docosatrienoic acid Tree E,Z,Z-3,13,16-Docosatrienoic acid 22:3-delta-3t,13c,16c C22 H38 O2 334.54 2 M_410
    13,16,19 docosatrienoic acid, (13z,16z,19z) Tree 13,16,19-Docosatrienoic acid, (13Z,16Z,19Z)- 22:3-delta-13c,16c,19c 13,16,19-Docosatrienoic acid, (Z,Z,Z)-; cis-13,cis-16,cis-19-Docosatrienoic acid C22 H38 O2 334.54 20 M_153
    10,13,16 docosatrienoic acid Tree 10,13,16-Docosatrienoic acid 22:3-delta-10c,13c,16c C22 H38 O2 334.54 6 M_152
    Docosatrienoic acid Tree Docosatrienoic acid 22:3 structure ambiguous C22H38O2 334.29 36 M_149
    9,12 docosadienoic acid Tree 9,12-Docosadienoic acid 22:2-delta-9,12 structure ambiguous: double bond configuration not specified C22H40O2 336.55 11
    Z,e 5,13 docosadienoic acid Z,E-5,13-Docosadienoic acid 22:2-delta-5c,13t C22H40O2 336.62 M_449
    5,13 docosadienoic acid, (5z,13z) Tree 5,13-Docosadienoic acid, (5Z,13Z)- 22:2-delta-5c,13c 5,13-Docosadienoic acid, (Z,Z)-; cis-5-cis-13-Docosadienoic acid C22 H40 O2 336.55 34 M_147
    13,16 docosadienoic acid, (13z,16z) Tree 13,16-Docosadienoic acid, (13Z,16Z)- 22:2-delta-13c,16c 13,16-Docosadienoic acid, (Z,Z)-; cis-13,cis-16-Docosadienoic acid C22 H40 O2 336.55 113 M_148
    Docosadienoic acid Tree Docosadienoic acid 22:2 structure ambiguous C22H40O2 336.3 163 M_146
    5 docosenoic acid, (5z) Tree 5-Docosenoic acid, (5Z)- 22:1-delta-5c 5-Docosenoic acid, (Z)-; cis-5-Docosenoic acid C22 H42 O2 338.57 2 M_448
    17 docosenoic acid, (17z) Tree 17-Docosenoic acid, (17Z)- 22:1-delta-17c N/A C22 H42 O2 338.57 4 M_359
    15 docosenoic acid, (15z) Tree 15-Docosenoic acid, (15Z)- 22:1-delta-15c 15-Docosenoic acid, (Z)-; (Z)-15-Docosenoic acid; 15Z-Docosenoic acid; C22:1-omega-7; cis-15-Docosenoic acid C22 H42 O2 338.57 70 M_377
    13 docosenoic acid, (13e) Tree 13-Docosenoic acid, (13E)- 22:1-delta-13t 5,8,11,14-all-cis-Eicosatetraenoic acid C22 H42 O2 338.57 3 M_145
    13 docosenoic acid, (13e) 13-Docosenoic acid, (13E)- 22:1-delta-13t Brassidic acid;Trans-13-Docosenoic acid;(E)-13-Docosenoic acid;13-Docosenoic acid;506-33-2;13-Docosenoic acid, (E)- C22H42O2 338.32
    13 docosenoic acid, (13z) Tree 13-Docosenoic acid, (13Z)- 22:1-delta-13c Erucic acid; 13-Docosenoic acid, (Z)-; (13Z)-Docosenoic acid; (Z)-13-Docosenoic acid; (Z)-Erucic acid; 13(Z)-Docosenoic acid; 13-cis-Docosenoic aci... C22 H42 O2 338.57 1242 M_144
    13 docosynoic acid 13-Docosynoic acid 22:1-delta-13a (all-Z)-5,8,11,14-Eicosatetraenoic acid C22 H40 O2 336.55 M_143
    11 docosenoic acid, (11e) 11-Docosenoic acid, (11E)- 22:1-delta-11t (5Z,8Z,11Z,14Z)-5,8,11,14-Eicosatetraenoic acid C22 H42 O2 338.57 M_142
    11 docosenoic acid, (11z) Tree 11-Docosenoic acid, (11Z)- 22:1-delta-11c Cetoleic acid; 11-Docosenoic acid, (Z)-; 11-Docosenoic acid, cis-; Cetoleic acid; (11Z)-11-Docosenoic acid; (Z)-11-Docosenoic acid; cis-Docos-11-en... C22 H42 O2 338.57 33 M_141
    Docosenoic acid Tree Docosenoic acid 22:1 structure ambiguous C22H42O2 338.32 705 M_140
    Docosanoic acid Tree Docosanoic acid 22:0 Behenic acid; 1-Docosanoic acid; B 95; B 95 (acid); Behenic acid; EXL 5; n-Docosanoic acid C22 H44 O2 340.58 3608 M_139
    Docosanedioic acid Tree Docosanedioic acid 21-COOH-21:0 Phellogenic acid; 1,20-Eicosanedicarboxylic acid; 1,22-Docosanedioic acid; Docosan-1,22-dioic acid; Felogenic acid; NSC 56159; Phellogenic acid C22 H42 O4 370.57 50 M_241
    Heneicosatetraenoic acid Tree Heneicosatetraenoic acid 21:4 structure ambiguous: double bond configuration and position not specified C21H34O2 318.5 2
    Heneicosenoic acid Tree Heneicosenoic acid 21:1 structure ambiguous C21H40O2 324.3 23 M_398
    Heneicosanoic acid Tree Heneicosanoic acid 21:0 Heneicosylic acid; n-Heneicosanoic acid C21 H42 O2 326.56 304 M_138
    Heneicosanoic acid, 20 methyl Tree Heneicosanoic acid, 20-methyl- 20-Me-21:0 structure ambiguous: double bond configuration and position not specified C22H44O2 340.59 4
    Eicosanoic acid, 20 fluoro Tree Eicosanoic acid, 20-fluoro- 20-F-20:0 C20 H39 F O2 330.52 1 M_526
    Heneicosanedioic acid Heneicosanedioic acid 20-COOH-20:0 Japonic acid; Japanic acid C21 H40 O4 356.54 M_240
    5,8,11,14,17 eicosapentaenoic acid, (5z,8z,11z,14z,17z) Tree 5,8,11,14,17-Eicosapentaenoic acid, (5Z,8Z,11Z,14Z,17Z)- 20:5-delta-5c,8c,11c,14c,17c 5,8,11,14,17-Eicosapentaenoic acid; 5,8,11,14,17-Eicosapentaenoic acid, (all-Z)-; (5Z,8Z,11Z,14Z,17Z)-Eicosa-5,8,11,14,17-pentaenoic acid; (5Z,8Z,1... C20 H30 O2 302.45 35 M_404
    Eicosapentaenoic acid Tree Eicosapentaenoic acid 20:5 structure ambiguous C20H30O2 302.22 9 M_392
    8,11,14,17 eicosatetraenoic acid, (8z,11z,14z,17z) Tree 8,11,14,17-Eicosatetraenoic acid, (8Z,11Z,14Z,17Z)- 20:4-delta-8c,11c,14c,17c 8,11,14,17-Eicosatetraenoic acid, (all-Z)-; (all-Z)-8,11,14,17-Eicosatetraenoic acid; Bishomostearidonic acid; -delta-8,11,14,17-Eicosatetraenoic acid C20 H32 O2 304.47 1 M_496
    7,11,14,17 eicosatetraenoic acid, (7z,11z,14z,17z) 7,11,14,17-Eicosatetraenoic acid, (7Z,11Z,14Z,17Z)- 20:4-delta-7c,11c,14c,17c C20 H32 O2 304.47 M_492
    5,8,11,14 eicosatetraenoic acid, (5z,8z,11z,14z) Tree 5,8,11,14-Eicosatetraenoic acid, (5Z,8Z,11Z,14Z)- 20:4-delta-5c,8c,11c,14c Arachidonic acid; 5,8,11,14-Eicosatetraenoic acid, (all-Z)-; Arachidonic acid C20 H32 O2 304.47 66 M_136
    5,11,14,17 eicosatetraenoic acid, (5z,11z,14z,17z) Tree 5,11,14,17-Eicosatetraenoic acid, (5Z,11Z,14Z,17Z)- 20:4-delta-5c,11c,14c,17c Juniperonic acid; 5,11,14,17-Eicosatetraenoic acid, (all-Z)-; (all-Z)-5,11,14,17-Eicosatetraenoic acid; 5Z,11Z,14Z,17Z-Eicosatetraenoic acid; Junip... C20 H32 O2 304.47 334 M_137
    Eicosatetraenoic acid Tree Eicosatetraenoic acid 20:4 structure ambiguous C20H32O2 304.24 27 M_302
    9,11,14 eicosatrienoic acid, (9z,11z,14z) 9,11,14-Eicosatrienoic acid, (9Z,11Z,14Z)- 20:3-delta-9c,11c,14c C20 H34 O2 306.48 M_458
    8,11,14 eicosatrienoic acid, (8z,11z,14z) Tree 8,11,14-Eicosatrienoic acid, (8Z,11Z,14Z)- 20:3-delta-8c,11c,14c 8,11,14-Eicosatrienoic acid, (Z,Z,Z)-; (Z,Z,Z)-8,11,14-Eicosatrienoic acid; 8,11,14-Eicosatrienoic acid; 8,11,14-all-cis-Eicosatrienoic acid; 8Z,11... C20 H34 O2 306.48 81 M_134
    7,11,14 eicosatrienoic acid, (7z,11z,14z) Tree 7,11,14-Eicosatrienoic acid, (7Z,11Z,14Z)- 20:3-delta-7c,11c,14c Dihomopinolenic acid; 7,11,14-Eicosatrienoic acid, (Z,Z,Z)-; Dihomopinolenic acid C20 H34 O2 306.48 169 M_339
    7,10,13 eicosatrienoic acid Tree 7,10,13-Eicosatrienoic acid 20:3-delta-7,10,13 structure ambiguous: double bond configuration not specified C20H34O2 306.49 4
    E,z,z 5,11,14 eicosatrienoic acid E,Z,Z-5,11,14-Eicosatrienoic acid 20:3-delta-5t,11c,14c C20H34O2 306.54 M_133
    5,9,12 eicosatrienoic acid, (5z,9z,12z) Tree 5,9,12-Eicosatrienoic acid, (5Z,9Z,12Z)- 20:3-delta-5c,9c,12c 5,9,12-Eicosatrienoic acid, (Z,Z,Z)- C20 H34 O2 306.48 3 M_343
    5,8,11 eicosatrienoic acid, (5z,8z,11z) 5,8,11-Eicosatrienoic acid, (5Z,8Z,11Z)- 20:3-delta-5c,8c,11c Δ-5,8,11-Eicosatrienoic acid C20 H34 O2 306.48 M_131
    5,11,14 eicosatrienoic acid, (z,z,z) Tree 5,11,14-Eicosatrienoic Acid, (Z,Z,Z)- 20:3-delta-5c,11c,14c Podocarpic acid; Podocarpic acid; Sciadonic acid; Calthic acid; (5Z,11Z,­14Z)‑icosa-5,11,14‑tri­enoic acid C20 H30 O2 302.45 815 M_132
    3,6,9 eicosatrienoic acid, (3z,6z,9z) Tree 3,6,9-Eicosatrienoic acid, (3Z,6Z,9Z)- 20:3-delta-3c,6c,9c N/A C20 H34 O2 306.48 3 M_551
    11,14,17 eicosatrienoic acid, (11z,14z,17z) Tree 11,14,17-Eicosatrienoic acid, (11Z,14Z,17Z)- 20:3-delta-11c,14c,17c 11,14,17-Eicosatrienoic acid, (Z,Z,Z)-; (Z,Z,Z)-11,14,17-Eicosatrienoic acid; (all-cis)-11,14,17-Eicosatrienoic acid; (all-cis)--delta-11,14,17-Eic... C20 H34 O2 306.48 144 M_135
    11,14,17 eicosatrienoic acid Tree 11,14,17-Eicosatrienoic acid 20:3-delta-11,14,17 structure ambiguous: double bond configuration not specified C20H34O2 306.49 16
    Icosatrienoic acid Tree Icosatrienoic acid 20:3 structure ambiguous C20H34O2 306.26 129 M_303
    9,12 eicosadienoic acid Tree 9,12-Eicosadienoic acid 20:2-delta-9,12 structure ambiguous: double bond configuration not specified C20H36O2 308.27 2
    Z,z 8,11 docosadienoic acid Z,Z-8,11-Docosadienoic acid 20:2-delta-8c,11c C22H40O2 336.62 M_391
    8,11 eicosadienoic acid Tree 8,11-Eicosadienoic acid 20:2-delta-8,11 structure ambiguous: double bond configuration not specified C20H36O2 308.27 3
    7,11 eicosadienoic acid, (7z,11z) Tree 7,11-Eicosadienoic acid, (7Z,11Z)- 20:2-delta-7c,11c 7,11-Eicosadienoic acid, (Z,Z)-; Dihomotaxoleic acid C20 H36 O2 308.5 3 M_520
    7,8 eicosadienoic acid Tree 7,8-Eicosadienoic acid 20:2-delta-7,8allene Phlomic acid; Phlomic acid C20 H36 O2 308.5 33 M_129
    7,13 eicosadienoic acid Tree 7,13-Eicosadienoic acid 20:2-delta-7,13 structure ambiguous: double bond configuration not specified C20H36O2 308.27 2
    6,9 eicosadienoic acid, (6z,9z) Tree 6,9-Eicosadienoic acid, (6Z,9Z)- 20:2-delta-6c,9c 6,9-Eicosadienoic acid, (Z,Z)- C20 H36 O2 308.5 3 M_550
    6,11 eicosadienoic acid Tree 6,11-Eicosadienoic acid 20:2-delta-6,11 structure ambiguous: double bond configuration not specified C20H36O2 308.27 3
    5,11 icosadienoic acid, (5e,11z) 5,11-Icosadienoic acid, (5E,11Z)- 20:2-delta-5t,11c C20H36O2 308.56 M_128
    5,11 eicosadienoic acid, (5z,11z) Tree 5,11-Eicosadienoic acid, (5Z,11Z)- 20:2-delta-5c,11c 5,11-Eicosadienoic acid, (Z,Z)-; (5Z,11Z)-5,11-Eicosadienoic acid; (5Z,11Z)-Eicosadienoic acid; (Z,Z)-5,11-Eicosadienoic acid; Keteleeronic acid; a... C20 H36 O2 308.5 579 M_127
    13,16 eicosadienoic acid Tree 13,16-Eicosadienoic acid 20:2-delta-13,16 structure ambiguous: double bond configuration not specified C20H36O2 308.27 5
    11,14 eicosadienoic acid, (11z,14z) Tree 11,14-Eicosadienoic acid, (11Z,14Z)- 20:2-delta-11c,14c C20H36O2 308.27 1355 M_130
    11,13 eicosadienoic acid Tree 11,13-Eicosadienoic acid 20:2-delta-11,13 structure ambiguous; icosa-11,13-dienoic acid C20H36O2 308.51 22
    11,13 eicosadienoic acid 11,13-Eicosadienoic acid 20:2-delta-11,13 Duplicate 10729 C20H36O2 308.51
    10,13 eicosadienoic acid Tree 10,13-Eicosadienoic acid 20:2-delta-10,13 structure ambiguous: double bond configuration not specified C20H36O2 308.27 12
    9 pentadecenoic acid, 15 (2 cyclopenten 1 yl) , (z) Tree 9-Pentadecenoic acid, 15-(2-cyclopenten-1-yl)-, (Z)- 20:2cy-delta-9c N/A C20 H34 O2 306.48 1 M_574
    8 pentadecenoic acid, 15 (2 cyclopenten 1 yl) , (8z) Tree 8-Pentadecenoic acid, 15-(2-cyclopenten-1-yl)-, (8Z)- 20:2cy-delta-8c Oncobic acid C20 H34 O2 306.48 1 M_223
    9 pentadecenoic acid, 15 (2 cyclopenten 1 yl) Tree 9-Pentadecenoic acid, 15-(2-cyclopenten-1-yl)- 20:2cy 15-cyclopent-2-en-1-ylpentadec-9-enoic acid C20 H34 O2 306.48 16 M_314
    Icosadienoic acid Tree Icosadienoic acid 20:2 structure ambiguous C20H36O2 308.27 343 M_126
    Eicosadienoic acid Tree Eicosadienoic acid 20:2 Structure ambiguous C20H36O2 308.27 99
    9 eicosenoic acid, (9e) 9-Eicosenoic acid, (9E)- 20:1-delta-9t N/A C20 H38 O2 310.51 M_122
    9 eicosenoic acid, (9z) Tree 9-Eicosenoic acid, (9Z)- 20:1-delta-9c Gadoleic acid; 9-Eicosenoic acid, (Z)-; Gadoleic acid; (Z)-9-Eicosenoic acid; Gondoleic acid; cis-9-Eicosenoic acid C20 H38 O2 310.51 205 M_121
    8 eicosenoic acid, (8z) Tree 8-Eicosenoic acid, (8Z)- 20:1-delta-8c 8-Eicosenoic acid, (Z)-; 8-cis-Eicosenoic acid C20 H38 O2 310.51 7 M_572
    7 eicosenoic acid, (z) 7-Eicosenoic acid, (Z)- 20:1-delta-7c C20H38O2 310.58 M_571
    7 eicosenoic acid Tree 7-Eicosenoic acid 20:1-delta-7 structure ambiguous: double bond configuration not specified C20H38O2 310.52 5
    6 eicosenoic acid, (6z) Tree 6-Eicosenoic acid, (6Z)- 20:1-delta-6c 6-Eicosenoic acid, (Z)- C20 H38 O2 310.51 2 M_422
    6 eicosynoic acid Tree 6-Eicosynoic acid 20:1-delta-6a C20 H36 O2 308.5 2 M_423
    5 ​eicosenoic acid, (5z) Tree 5-​Eicosenoic acid, (5Z)- 20:1-delta-5c N/A C20 H38 O2 310.51 62 M_388
    3 eicosenoic acid, (e) 3-Eicosenoic acid, (E)- 20:1-delta-3t C20H38O2 310.58 M_587
    15 eicosenoic acid, (15z) Tree 15-Eicosenoic acid, (15Z)- 20:1-delta-15c 15-Eicosenoic acid, (Z)-; (Z)-15-Eicosenoic acid C20 H38 O2 310.51 11 M_125
    14 eicosenoic acid, (14z) Tree 14-Eicosenoic acid, (14Z)- 20:1-delta-14c 14-Eicosenoic acid, (Z)- C20 H38 O2 310.51 4 M_462
    13 eicosenoic acid, (13z) Tree 13-Eicosenoic acid, (13Z)- 20:1-delta-13c Paullinic acid; 13-Eicosenoic acid, (Z)-; (Z)-13-Eicosaenoic acid; (Z)-13-Eicosenoic acid; Paullinic acid; cis-13-Eicosenoic acid C20 H38 O2 310.51 125 M_124
    11 eicosenoic acid, (11z) Tree 11-Eicosenoic acid, (11Z)- 20:1-delta-11c 11-Eicosenoic acid, (Z)-; (Z)-11-Eicosenoic acid; 11-cis-Eicosenoic acid; 11Z-Eicosenoic acid; Gondoic acid; cis-11-Eicosenoic acid; cis--delta-11-... C20 H38 O2 310.51 3111 M_123
    10 eicosenoic acid, (10z) Tree 10-Eicosenoic acid, (10Z)- 20:1-delta-10c C20 H38 O2 310.51 4 M_573
    2 cyclopentene 1 pentadecanoic acid, (+) Tree 2-Cyclopentene-1-pentadecanoic acid, (+)- 20:1cy Hormelic acid; Hormelic acid; NSC 313952 C20 H36 O2 308.5 17 M_213
    Icosenoic acid Tree Icosenoic acid 20:1 structure ambiguous C20H38O2 310.29 1702 M_120
    Eicosanoic acid Tree Eicosanoic acid 20:0 Arachidic acid; Arachic acid; Arachidic acid; Icosanoic acid; NSC 93983; n-Eicosanic acid; n-Eicosanoic acid C20 H40 O2 312.53 5931 M_119
    Acetic acid Tree Acetic acid 2:0 C2 H4 O2 60.05 15 M_002
    Benzoic acid Tree Benzoic acid 1-Ph-1:0 Benzenecarboxylic acid; Benzeneformic acid; Benzenemethanoic acid; Carboxybenzene C7 H6 O2 122.12 4 M_529
    22 octacosenoic acid, 19 oxo , (z) (8ci) Tree 22-Octacosenoic acid, 19-oxo-, (Z)- (8CI) 19-O=28:1-delta-22c C28 H52 O3 436.71 2 M_368
    Eicosanedioic acid Eicosanedioic acid 19-COOH-19:0 1,18-Octadecanedicarboxylic acid; 1,20-Eicosanedioic acid; C 20; C 20 (fatty acid); Eicosan-1,20-dioic acid; Octadecamethylenedicarboxylic acid; SL... C20 H38 O4 342.51 M_239