6-(3-hydroxyphenyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione

3-(1,3-dioxo-1,3-dihydro-2H-pyrrolo[3,4-c]pyridin-2-yl)benzoic acid

4-(1,3-dioxo-1,3-dihydro-2H-pyrrolo[3,4-c]pyridin-2-yl)benzoic acid

methyl 2-(2-chloro-4-formylphenoxy)isonicotinate

4-[(3-nitropyridin-2-yl)oxy]benzaldehyde

{3-[(3-nitropyridin-2-yl)thio]phenyl}amine

4-(isopropylthio)-1,3,5-triazin-2-amine

2,6-diamino-4-cyclopropyl-4H-thiopyran-3,5-dicarbonitrile

ethyl 2-(4-acetylphenoxy)isonicotinate

ethyl 2-[(4-aminophenyl)thio]isonicotinate

(4-morpholin-4-ylbenzylidene)malononitrile

2-hydrazino-4-(piperidin-1-ylcarbonyl)pyridine

1-(5-chloro-1H-benzimidazol-2-yl)ethanol

N~1~,N~1~-diethyl-2-methylalaninamide

ethyl anilino(oxo)acetate

草酸乙酯