2'-Diethylaminoethyl 3-amino-2-butoxybenzoate hydrochloride 2-Butoxy-3-aminobenzoic acid beta-diethylaminoethyl ester hydrochloride 3-Amino-2-butoxybenzoic acid 2-diethylaminoethyl ester hydrochloride 550-01-6 Benzoic acid, 3-amino-2-butoxy-, 2-(diethylamino)ethyl ester, monohydrochloride Metabutoxycaine hydrochloride Metabutoxycaine hydrochloride [NF XII] Metambucaine hydrochloride Primacaine beta-Diethylaminoethyl 2-butoxy-3-aminobenzoate hydrochloride