1-Naphthalenecarboxylic acid, 4-amino-, 2-(diethylamino)ethyl ester, monohydrochloride 1-Naphthoic acid, 4-amino-, 2-(diethylamino)ethyl ester, monohydrochloride 550-34-5 NSC41652 Naphthacaine hydrochloride Naphthocaine Hydrochloride