1,4-Diphenyl-2-((4,5-diphenyl-1H-imidazol-2-yl)thio)-2-butene-1,4-dione 145030-91-7 2-(1,2-Dibenzoylvinyl)thio-4,5-diphenylimidazole 2-Butene-1,4-dione, 1,4-diphenyl-2-((4,5-diphenyl-1H-imidazol-2-yl)thio)-