N-(4,6-dimethylpyrimidin-2-yl)-N''-hydroxyguanidine

N-(2-methoxy-5-methylphenyl)-1,3,5-triazine-2,4-diamine

N-(4-isopropylphenyl)-N'-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)guanidine

N-(2,3-dimethylphenyl)-N'-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)guanidine

N-[(2Z)-6-methyl-4-oxo-3,4-dihydropyrimidin-2(1H)-ylidene]-3,4-dihydroquinoline-1(2H)-carboximidamide

2-[(2,3-dimethylphenyl)amino]-5,6-dimethylpyrimidin-4(3H)-one

2-anilino-5-benzyl-6-methylpyrimidin-4(3H)-one

5-methyl-4-(2-phenylethyl)-2,4-dihydro-3H-pyrazol-3-one

2-hydroxy-3-phenyl-4H-pyrimido[1,2-a]pyrimidin-4-one

2,3-dimethylpyrimido[1,2-a]benzimidazol-4(1H)-one

methyl (5-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-6-yl)acetate