The molecule is a 1-acyl-2-arachidonoyl-sn-glycero-3-phospho-D-myo-inositol(1-) obtained by deprotonation of the phosphate OH group of 1-oleoyl-2-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol; major species at pH 7.3. It is a conjugate base of a 1-oleoyl-2-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol.
[(2R)-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxy-3-[(Z)-octadec-9-enoyl]oxypropyl] [(2R,3R,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl] phosphate