dialkyl phosphate(1-) -1 O4PR2 chebi_ontology 94.971 An organophosphate oxoanion obtained by deprotonation of the phosphate OH group of any dialkyl phosphate; major species at pH 7.3. CHEBI:138518 a dialkyl phosphate 94.95342 P(O*)(O*)([O-])=O dialkyl phosphate organophosphate oxoanion