2-(Diethylamino)ethyl 3-amino-4-propoxybenzoate monohydrochloride 2-Diethylaminoethyl 3-amino-4-propoxybenzoate hydrochloride 3-Amino-4-propoxybenzoic acid 2-(diethylamino)ethyl ester hydrochloride 499-67-2 5875-06-9 Alcaine BENZOIC ACID, 3-AMINO-4-PROPOXY-, 2-(DIETHYLAMINO)ETHYL ESTER, HYDROCHLORIDE Benzoic acid, 3-amino-4-propoxy-, 2-(diethylamino)ethyl ester, monohydrochloride Chibro-Heracaine EINECS 227-541-7 Keracaine Ophthain Ophthetic Proparacaine hydrochloride Proparacaine hydrochloride [USAN] Proxymetacaine hydrochloride beta-(Diethylamino)ethyl 3-amino-4-n-propoxybenzoate hydrochloride