1-Amino-9-ethyl-5,6,7,8-tetrahydrocarbazole hydrochloride 63744-48-9 CARBAZOLE, 1-AMINO-9-ETHYL-5,6,7,8-TETRAHYDRO-, HYDROCHLORIDE Carbazole, 5,6,7,8-tetrahydro-1-amino-9-ethyl-, hydrochloride