phosphonate(2-) 79.96743 -2 CHEBI:14820 ABLZXFCXXLZCGV-UHFFFAOYSA-L InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)/p-2 PHO3(2-) MetaCyc:PHOSPHONATE Gmelin:1618 KEGG:C06701 PHOSPHONATE A divalent inorganic anion obtained by removal of both protons from phosphonic acid PDBeChem:2PO [H]P([O-])([O-])=O Phosphonate CHEBI:16215 79.97990 CHEBI:39856 chebi_ontology hydridotrioxophosphate(2-) phosphonate HO3P [PHO3](2-) hydridotrioxidophosphate(2-) CHEBI:8154 phosphorus oxoanion phosphonate(1-) divalent inorganic anion