.beta.-(Diethylamino)ethyl 2-butoxy-3-aminobenzoate hydrochloride 2'-(Diethylamino)ethyl 3-amino-2-butoxybenzoate hydrochloride 2-Butoxy-3-aminobenzoic acid .beta.-(diethylamino)ethyl ester hydrochloride 3-Amino-2-butoxybenzoic acid 2-(diethylamino)ethyl ester hydrochloride 550-01-6 Benzoic acid, 3-amino-2-butoxy-, 2-(diethylamino)ethyl ester, monohydrochloride Metabutoxycaine hydrochloride Metambucaine hydrochloride Methambucainehydrochloride NSC41530 Primacaine hydrochloride