18638-93-2 5,6,7,8-Tetrahydro-9-methyl-8-oxocarbazole-3-carboxylic acid 2-(diethylamino)ethyl ester HCl CARBAZOLE-3-CARBOXYLIC ACID, 5,6,7,8-TETRAHYDRO-9-METHYL-8-OXO-, 2-(DIETHYLAMINO Carbazole-3-carboxylic acid, 5,6,7,8-tetrahydro-9-methyl-8-oxo-, 2-(diethylamino)ethyl ester,monohydrochloride Of 2441