5-20-03-00545 (Beilstein Handbook Reference) 597-24-0 BRN 0130797 Dimethyl piperidinophosphonate HC 1718 NSC 19842 Phosphonic acid, 1-piperidinyl-, dimethyl ester (9CI) Phosphonic acid, piperidino-, dimethyl ester Piperidinophosphonic acid dimethyl ester