has role has functional parent phenol 4-nitrophenol chromogenic compound aryl phosphonate p-nitrophenyl phenyl phosphonate 279.030 279.186 4-nitrophenyl phenyl phosphonate An aryl phosphate resulting from the formal condensation of phosphonic acid with 1 mol eq. each of phenol and 4-nitrophenol. C12H10NO5P C1=CC=C(C=C1)OP(=O)(OC=2C=CC(=CC2)[N+]([O-])=O)[H] CHEBI:91050 InChI=1S/C12H10NO5P/c14-13(15)10-6-8-12(9-7-10)18-19(16)17-11-4-2-1-3-5-11/h1-9,19H YGTLRZOYPNTDJW-UHFFFAOYSA-N chebi_ontology