The molecule is a 3-sn-phosphatidyl-L-serine(1-) that is the conjugate base of 1-heptadecanoyl-2-arachidonoyl-sn-glycero-3-phosphoserine; major species at pH 7.3. It is a conjugate base of a 1-heptadecanoyl-2-arachidonoyl-sn-glycero-3-phosphoserine.
(2S)-2-azaniumyl-3-[[(2R)-3-heptadecanoyloxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxypropoxy]-oxidophosphoryl]oxypropanoate