3-(1-methylpiperidin-4-ylidene)-1,3-dihydro-2H-indol-2-one

5-(2-furyl)-2-methylthieno[2,3-d]pyrimidin-4(3H)-one

2-amino-4-(2-furyl)thiophene-3-carbonitrile

2-(chloromethyl)-5-(2-furyl)thieno[2,3-d]pyrimidin-4(3H)-one

5-(5-methyl-2-furyl)cyclohexane-1,3-dione

methyl N-[2-cyano-5-(5-methyl-2-furyl)-3-oxocyclohex-1-en-1-yl]glycinate

ethyl 7-(5-methyl-2-furyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylate

6-(5-methyl-2-furyl)-2-phenyl-1,5,6,7-tetrahydro-4H-benzimidazol-4-one

4-(5-methyl-2-thienyl)-4,4a-dihydro-1H-pyrimido[4,5-b]indol-2-amine

ethyl 3-amino-6-(5-methyl-2-thienyl)-4-oxo-4,5,6,7-tetrahydro-1H-indole-2-carboxylate

methyl (1-acetyl-3-oxopyrazolidin-4-yl)acetate