(9-Ethyl-9H-carbazol-3-yl)ammonium chloride 132-32-1 3-AMINO-9-ETHYLCARBAZOLE, HYDROCHLORIDE 3-Amino-9-ethylcarbazole hydrochloride 3-Amino-9-ethylcarbozole hydrochloride 6109-97-3 CCRIS 5885 Carbazole, 3-amino-9-ethyl-, hydrochloride EINECS 228-072-0 NCI-C03043 NSC 7426