5-methoxy-pyrazolo[1,5-a]pyridine-3-carboxylic acid methyl ester

5-甲氧基吡唑并[1,5-a]吡啶-3-羧酸乙酯

5-(苄氧基)吡唑并[1,5-a]吡啶-3-羧酸甲酯

4-甲氧基吡啶

3-methyl-1-propynoylpyrazole