The molecule is a 2-acyl-sn-glycero-3-phosphoserine(1-) that is the conjugate base of 2-oleoyl-sn-glycero-3-phosphoserine, in which the carboxy and phosphate groups are anionic and the amino group is cationic; major species at pH 7.3. It is a conjugate base of a 2-oleoyl-sn-glycero-3-phosphoserine.
(2S)-2-azaniumyl-3-[[(2R)-3-hydroxy-2-[(Z)-octadec-9-enoyl]oxypropoxy]-oxidophosphoryl]oxypropanoate