The molecule is a 1,2-diacyl-3-alpha-D-galactosyl-sn-glycerol in which the acyl groups at positions 1 and 2 are cis-vaccenoyl [(11Z)-octadec-11-enoyl] and palmitoyl (hexadecanoyl) respectively.
[(2S)-2-hexadecanoyloxy-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropyl] (Z)-octadec-11-enoate