(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

(2R,3R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-2-methyl-3-p-tolylpropan-1-one

(2R,3R)-3-(4-chlorophenyl)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-2-methylpropan-1-one

(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-3-(4-methoxyphenyl)propan-1-one

(3R,4E)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-phenylpent-4-en-1-one