21001-46-7 5,6,7,8-Tetrahydro-3-carbazolecarboxylic acid 2-(diethylamino)ethyl ester hydrochloride CARBAZOLE-3-CARBOXYLIC ACID, 5,6,7,8-TETRAHYDRO-, 2-(DIETHYLAMINO)ETHYL ESTER, H Carbazole-3-carboxylic acid, 5,6,7,8-tetrahydro-, 2-(diethylamino)ethyl ester, hydrochloride