Molecular Formula: C₁₅H₁₂N₂O₂

Chemical Name
1,3-diphenyl imidazolidine-2,4-dione
1,3-diphenyl-2,4-imidazolidinedione
1,3-Diphenyl-imidazolidin-2,4-dion
1,3-diphenyl-imidazolidine-2,4-dione
1,3-diphenylhydantoin
1,3-diphenylimidazolidine-2,4-dione
1,3-diphenylimidazoline-2,4-dione

Molecular Formula: C₁₇H₁₈N₂O₃

Chemical Name
3,5-diphenyl-hydantoic acid ethyl ester
3,5-Diphenyl-hydantoinsaeure-aethylester
N-<Phenylcarbonyl>-N-phenyl-glycin-aethylester
N-<Phenylcarbonyl>-N-phenyl-glycin-aethylester (1-Aethoxycarbonylmethyl-1.3-diphenyl-harnstoff)
N-Phenyl-N-anilinoformyl-glycin-aethylester
N.N'-Diphenyl-ureidoessigsaeureaethylester

Molecular Formula: C₁₂H₁₆N₂O₂S

Chemical Name
Anilinothioformyl-dl-alanin-aethylester
N-Phenylthiocarbamoyl-alanin-aethylester
N-phenylthiocarbamoyl-alanine ethyl ester
α-(ω-Phenyl-thioureido)-propionsaeureaethylester

Molecular Formula: C₁₃H₁₈N₂O₃

Molecular Formula: C₁₆H₁₄N₂O₂

Chemical Name
1-Benzyl-3-phenylhydantoin
1-benzyl-3-phenylimidazolidine-2,4-dione

Molecular Formula: C₁₅H₂₂N₂O₃

Molecular Formula: C₁₈H₂₀N₂O₃