The molecule is a 1-(Z)-alk-1-enyl-2-oleoyl-sn-glycero-3-phosphoethanolamine zwitterion obtained by transfer of a proton from the phosphate to the amino group of 1-(1Z-hexadecenyl)-2-oleoyl-sn-glycero-3-phosphoethanolamine; major species at pH 7.3.
2-azaniumylethyl [(2R)-3-[(Z)-hexadec-1-enoxy]-2-[(Z)-octadec-9-enoyl]oxypropyl] phosphate