1 J7Z (2s)-3-[(6-O-alpha-D-galactopyranosyl-beta-D-galactopyranosyl)oxy]-2-[(3z,6z,9z,12z,15z)-octadeca-3,6,9,12,15-pentaenoyloxy]propyl (5z,8z,11z,14z,17z)-icosa-5,8,11,14,17-pentaenoate 1.000 2 DGD Digalactosyl diacyl glycerol (dgdg) 0.971