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

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

1-[1-(methoxymethyl)-1H-1,2,4-triazol-5-yl]piperazine

ethyl 4-methyl-2-oxo-2,3-dihydro-1,3-thiazole-5-carboxylate

4-[1-(cyclobutylmethyl)-1H-imidazol-2-yl]piperidine dihydrochloride

3-(1-butyl-1H-imidazol-2-yl)piperidine dihydrochloride

4-[1-(1,3-thiazol-4-ylmethyl)-1H-imidazol-2-yl]piperidine hydrochloride