64057-94-9 CARBAZOLE-9-CARBOXYLIC ACID, (2-DIETHYLAMINOETHYL) ESTER, HYDROCHLORIDE Carbacaine hydrochloride Carbazole-9-carboxylic acid, 2-(diethylamino)ethyl ester, hydrochloride Diethylaminoethyl carbazol-N-carboxylate hydrochloride