1-乙酰基-3-羟基-1H-吡唑-4-羧酸乙酯

ethyl 1-acetyl-3-hydroxy-1H-pyrazole-4-carboxylate · CAS 478968-45-5

1-乙酰基-3-羟基-1H-吡唑-4-羧酸乙酯