methyl 5-chloro-2-(2-formylpyrrol-1-yl)benzoate

1H-吡唑并[3,4-c]吡啶-5-羧醛

1-Boc-4-氯-5-甲酰基-3,6-二氢-2H-吡啶

5-溴-4-甲基-2-吡啶羧醛

4-溴-2-(2-氧代乙基)苯甲腈