1,4-Butanedione, 1,4-diphenyl-2,3-epoxy- 1,4-Diphenyl-2,3-epoxy-1,4-butanedione 4440-98-6 Methanone, 2,3-oxiranediylbis[phenyl- NSC39792 WLN: T3OTJ BVR& CVR