541-41-3
氯甲酸乙酯
+
57381-37-0
2-溴-5-氯硝基苯
→
~66%
220269-80-7
ethyl N-(4-bromo-2-cyanophenyl)carbamate
39263-32-6
2-氨基-5-溴苯甲腈
~65%