1-Methyl-3-diethylaminopropyl 1,2,3,4-tetrahydro-6-carbazolylcarboxylate hydrochloride 5,6,7,8-Tetrahydrocarbazole-3-carboxylic acid 3-(diethylamino)-1-methylpropyl ester HCl Carbazole-3-carboxylic acid, 5,6,7,8-tetrahydro-, 3-(diethylamino)-1-methylpropyl ester, hydrochloride FE5842000