monoacyl-sn-glycerol 3-phosphate(2-) lysophosphatidate 18:1 434.24334 -2 C21H39O7P [O-]P([O-])(=O)OC[C@@H](CO[*])O[*] octadecenoyl-sn-glycero-3-phosphate A monoacyl-sn-glycerol 3-phosphate in which the acyl group is specified as octadecenoyl and is attached at either sn-1 or sn-2 position; major species at pH 7.3. 434.5039 CHEBI:78279 chebi_ontology