1H-吡唑-4-甲醇

N-甲基-1H-吡唑-4-羧酰胺

4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-羧酸乙酯

ethyl 1-(hydroxymethyl)pyrazole-4-carboxylate

1-甲基吡唑-4-羧酸乙酯