1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + H2O => 1-hexadecanoyl-sn-glycero-3-phospho-L-serine + (9Z)-octadecenoate + H(+)
1-hexadecanoyl-2-(9z-octadecenoyl)-sn-glycero-3-phospho-l-serine + h2o => 1-hexadecanoyl-sn-glycero-3-phospho-l-serine + (9z)-octadecenoate + h(+)