5-甲氧基-1,3-二甲基-1H-吡唑-4-甲醛

1,3-二甲基-1H-吡唑-4-羰酰氯

ethyl 5-chloro-1,3-dimethylpyrazole-4-carboxylate

3-乙酰基喹啉-2(1H)-酮

3-(2-quinolyl)carbostyril