2 4 5 triphenyl 1h imidazole molecular weight July 8, 2019 16 32 64 128 2 4 5-triphenyl-1h-imidazole 2 2-diphenyl-4-dimethylaminovaleronitrile 1-(2 4-difluorophenyl)-2-(1h-1 2 4-triazol-1-yl)ethanone