38239-32-6
5-溴-4-硝基噻吩-2-羧酸甲酯
+
544-92-3
氰化亚铜
→
~58%
648412-49-1
methyl 5-cyano-4-nitrothiophene-2-carboxylate
648411-35-2
3-氨基-1H-噻吩[3,2-C]吡唑-5-羧酸甲酯
648412-51-5
methyl 4-amino-5-cyanothiophene-2-carboxylate