1-Acetyl-3-acetoxy-5',5-diphenylhydantoin 1-Acetyl-3-acetoxy-5,5-diphenylhydantoin 1-Acetyl-3-acetoxy-dph 2,4-IMIDAZOLIDINEDIONE, 1-ACETYL-3-(ACETYLOXY)-5,5-DIPHENYL- 56775-94-1