Triazolam (also known as Halcion, Songar, Clorazolam, Novidorm, Novodorm, Triazolamum, Triazolamum [INN-Latin], Triazolam civ, U-33,030 or 8-Chloro-6-(2-chlorophenyl)-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine) is a substance of the benzodiazepine class.