The molecule is a 1-(1Z-alk-1-enyl)-2-acyl-sn-glycero-3-phospho-L-serine(1-) that is the conjugate base of 1-(1Z-octadecenyl)-2-oleoyl-sn-glycero-3- phosphoserine(1-), obtained by deprotonation of the phosphate and carboxy groups and protonation of the amino group; major species at pH 7.3. It is a conjugate base of a 1-(1Z-octadecenyl)-2-oleoyl-sn-glycero-3-phosphoserine.
(2S)-2-azaniumyl-3-[[(2R)-3-[(Z)-octadec-1-enoxy]-2-[(Z)-octadec-9-enoyl]oxypropoxy]-oxidophosphoryl]oxypropanoate