The molecule is a 1-alkyl-2-acyl-sn-glycero-3-phosphate(2-) obtained by deprotonation of the phosphate OH groups of 1-(9Z-octadecenyl)-2-arachidonoyl-sn-glycero-3-phosphate; major species at pH 7.3. It is a conjugate base of a 1-(9Z-octadecenyl)-2-arachidonoyl-sn-glycero-3-phosphate.
[(2R)-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxy-3-[(Z)-octadec-9-enoxy]propyl] phosphate