The molecule is a 1,2-diacyl-sn-glycerol in which the acyl groups at positions 1 and 2 are specified as palmitoyl and arachidonoyl respectively. It derives from an arachidonic acid and a hexadecanoic acid.
[(2S)-1-hexadecanoyloxy-3-hydroxypropan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate