1,7-dicyclopropyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid

methyl 1-cyclopropyl-2-mercapto-7-methyl-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylate

2-(1-methyl-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)acetohydrazide

2-{[(1-ethyl-3-methyl-1H-pyrazol-4-yl)methyl]amino}phenol

1-cyclopentyl-7-cyclopropyl-2-mercapto-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylic acid

2-methyl-3-[3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl]propanenitrile

4-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-2-hydrazino-6-(trifluoromethyl)pyrimidine

1-[2-(4-nitro-1H-pyrazol-1-yl)ethyl]-3-(trifluoromethyl)-1H-pyrazole

6-amino-1-sec-butyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one

methyl 4-(cyclopentyloxy)benzoate

ethyl {[4-(1,3,5-trimethyl-1H-pyrazol-4-yl)pyrimidin-2-yl]thio}acetate