6,9,12,15-octadecatetraenoic stearidonic 18:4(n-3) 276.4 9,12,15-octadecatrienoic α-linolenic 18:3(n-3) 278.4 4,7,10,13,16,19-docosahexaenoic DHA 22:6(n-3) 328.6 5,8,11,14,17-eicosapentaenoic EPA 20:5(n-3) 302.5 5,8,11,14-eicosatetraenoic arachidonic 20:4(n-6) 304.5 6,9,12-octadecatrienoic γ-linolenic 18:3(n-6) 278.4 9,12-octadecadienoic linoleic 18:2(n-6) 280.4 Molecular wt. Shorthand designation Systematic name Trivial name Poly-Unsaturated Fatty Acids6,9,12,15-octadecatetraenoic stearidonic 18:4(n-3) 276.4 9,12,15-octadecatrienoic α-linolenic 18:3(n-3) 278.4 4,7,10,13,16,19-docosahexaenoic DHA 22:6(n-3) 328.6 5,8,11,14,17-eicosapentaenoic EPA 20:5(n-3) 302.5 5,8,11,14-eicosatetraenoic arachidonic 20:4(n-6) 304.5 6,9,12-octadecatrienoic γ-linolenic 18:3(n-6) 278.4 9,12-octadecadienoic linoleic 18:2(n-6) 280.4 Molecular wt. Shorthand designation Systematic name Trivial name Poly-Unsaturated Fatty Acids