2 4 5 triphenylimidazole melting point July 8, 2019 16 32 64 128 2 4 5-triphenyl-1h-imidazole 2 2-diphenyl-4-dimethylaminovaleronitrile Melting point of triphenyl imidazole 2 4-dichloro-5-(trifluoromethyl)pyrimidine