The molecule is a 1,2-diacyl-3-(beta-D-galactosyl)-sn-glycerol in which the 1- and 2- acyl groups are specified as (9Z,12Z,15Z)-octadecatrienoyl and (7Z,10Z,13Z)-hexadecatrienoyl respectively. It has a role as a plant metabolite. It derives from an all-cis-7,10,13-hexadecatrienoic acid and an alpha-linolenic acid.
[(2S)-2-[(7Z,10Z,13Z)-hexadeca-7,10,13-trienoyl]oxy-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropyl] (9Z,12Z,15Z)-octadeca-9,12,15-trienoate