4-[N-(p-chlorophenyl)amino]-2,5-dihydro-2-oxo-N-phenyl-3-furancarboxamide

4-[(p-chlorophenyl)amino]-2,5-dihydro-2-oxo-N-(trans-2-phenylcyclopropyl)-3-furancarboxamide

2,5-dihydro-2-oxo-N-phenyl-4-[(N-phenyl-N-methyl)amino]-3-furancarboxamide

2,5-dihydro-2-oxo-N-phenyl-4-(pyrrolidin-1-yl)-3-furancarboxamide

2,5-dihydro-4-morpholino-2-oxo-N-phenyl-3-furancarboxamide