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(1996)(4R,5S)-1,5-Dimethyl-4-phenyl-3-((2R,3S)-3-propyl-aziridine-2-carbonyl)-imidazolidin-2-one
(4S,5R)-1-((E)-Hex-2-enoyl)-3,4-dimethyl-5-phenyl-imidazolidin-2-one
(4R,5S)-1,5-dimethyl-4-phenylimidazolidin-2-one
(4R,5S,2'R,3'S)-1,5-dimethyl-3-(2'-acetamido-3'-acetoxybutyryl)-4-phenylimidazolidin-2-one
(4S,5R)-1-((4R,5S)-2,5-Dimethyl-4,5-dihydro-oxazole-4-carbonyl)-3,4-dimethyl-5-phenyl-imidazolidin-2-one
(4S,5R)-1-((2R,3S)-1-Acetyl-3-methyl-aziridine-2-carbonyl)-3,4-dimethyl-5-phenyl-imidazolidin-2-one
(4S,5R)-1-((2R,3S)-3-Ethyl-aziridine-2-carbonyl)-3,4-dimethyl-5-phenyl-imidazolidin-2-one
(4R,5S)-1,5-Dimethyl-3-((E)-pent-2-enoyl)-4-phenyl-imidazolidin-2-one