(Aminophenylmethyl)phosphonic acid (alpha-Aminobenzyl)phosphonic acid 18108-22-0 4-07-00-00555 (Beilstein Handbook Reference) BRN 2049498 NSC 133874 Phosphonic acid, (alpha-aminobenzyl)- (6CI,8CI) Phosphonic acid, (aminophenylmethyl)-