ethyl N-methyl-N-(4-methyl-5-oxo-1-pyridin-2-yl-1,2,4-triazol-3-yl)carbamate

N-乙基-2-(2-吡啶基)肼基硫代甲酰胺

5-amino-3-methyl-1-pyridin-2-ylpyrazole-4-carbonitrile

3-methyl-1-pyridin-2-ylpyrazolo[3,4-d]pyrimidin-4-amine

N'-(2-Pyridinyl)acetohydrazide