The molecule is a 1,2-diacyl-sn-glycerol in which the acyl groups at positions 1 and 2 are specified as icosanoyl (arachidoyl) and arachidonoyl respectively. It derives from an arachidonic acid and an icosanoic acid.
[(2S)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxypropyl] icosanoate