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(2007/10/02)N-<(5,5-Diphenyl)-4-oxo-2-imidazolidinyl>glycine
5,5-Diphenyl-2,3,5,6-tetrahydroimidazo<2,1-b>imidazoline-3,6-dione
5,5-Diphenyl-2-methylmercapto-4-oxo-imidazoline
1-(N,N-Bis-acetylaminoacetyl)-5,5-diphenylimidazolidine-2,4-dione
1-Acetyl-5,5-diphenyl-2,3,5,6-tetrahydroimidazo<2,1-b>imidazoline-3,6-dione