The molecule is a 1-acyl-sn-glycerol where arachidonoyl forms the 1-acyl group. It is a 1-acyl-sn-glycerol and a 1-arachidonoylglycerol. It is an enantiomer of a 3-arachidonoyl-sn-glycerol.
[(2S)-2,3-dihydroxypropyl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate