2-Amino-3-ethoxy-5,6,7,8-tetrahydrocarbazole hydrochloride 63716-32-5 CARBAZOLE, 2-AMINO-3-ETHOXY-5,6,7,8-TETRAHYDRO-, HYDROCHLORIDE Carbazole, 5,6,7,8-tetrahydro-2-amino-3-ethoxy-, hydrochloride