4-16-00-01077 (Beilstein Handbook Reference) 4707-88-4 BRN 2935733 Benzenephosphonamide Benzenephosphondiamide Diaminophenylphosphine oxide NSC 250 P-Phenylphosphonic diamide Phenylphosphonic acid diamide Phenylphosphonic diamide Phosphonic diamide, P-phenyl-