4-and 6-Trifluoromethyl-1-phenylbenzotriazoles have been prepared by standard methods. They do not decompose to give carbazoles. 2-Nitro-4-trifluoromethyldiphenyl and 2′-nitro-2- trifluoromethyldiphenyl have been reduced to the amines which were diazotized and ...