The molecule is a 1-acyl-sn-glycero-3-phosphoserine(1-) that is the conjugate base of 1-heptadecanoyl-sn-glycero-3-phosphoserine; major species at pH 7.3. It is a conjugate base of a 1-heptadecanoyl-sn-glycero-3-phosphoserine.
(2S)-2-azaniumyl-3-[[(2R)-3-heptadecanoyloxy-2-hydroxypropoxy]-oxidophosphoryl]oxypropanoate