7-Phenyl-pteridin-4-ol

3-Chloropyridazine trifluoromethanesulfonate

4-bromo-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylic acid

6-ethyl-2-hydrazinopyrimidin-4(3{H})-one

(5-Oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidin-3-yl)acetic acid

(5-oxo-2,3,5,6,7,8-hexahydrocyclopenta[d][1,3]thiazolo[3,2-a]pyrimidin-3-yl)acetic acid

3-(chloromethyl)-5-(3-methoxyphenyl)isoxazole

2,7-dimethyl[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one

3-[3,5-dimethyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-4-yl]propanoic acid

2-(5-amino-3-methyl-1H-pyrazol-1-yl)-6-phenylpyrimidin-4(3H)-one