(1-Naphthylmethyl)phosphonic acid diethyl ester 3-16-00-00896 (Beilstein Handbook Reference) 53575-08-9 AI3-17485 BRN 2943656 Diethyl (1-naphthylmethyl) phosphonate NSC 404293 Phosphonic acid, (1-naphthalenylmethyl)-, diethyl ester Phosphonic acid, (1-naphthylmethyl)-, diethyl ester