label: 1-acyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + H2O = 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + a fatty acid + H(+)
label_lc: 1-acyl-2-(9z-octadecenoyl)-sn-glycero-3-phospho-l-serine + h2o = 2-(9z-octadecenoyl)-sn-glycero-3-phospho-l-serine + a fatty acid + h(+)