Imidazolidin-4-one

(S)-5-[(4-hydroxyphenyl)methyl]-3-phenyl-2-thioxoimidazolidin-4-one

(5Z)-3-(3-chlorophenyl)-5-[(2-chlorophenyl)methylidene]-2-thioxoimidazolidin-4-one

1-ethyl-5-[(1-ethyl-2-pyrrolidinylidene)ethylidene]-3-methyl-2-thioxoimidazolidin-4-one

(5E)-5-(2-ethoxybenzylidene)-2-thioxoimidazolidin-4-one

(5Z)-3-(3-methylphenyl)-5-[(3-methylphenyl)methylidene]-2-thioxoimidazolidin-4-one

(5E)-5-{2-[(2,4-dichlorobenzyl)oxy]benzylidene}-2-thioxoimidazolidin-4-one