24424-99-5
二碳酸二叔丁酯
+
87029-84-3
5-氨基-2-羟基苯甲腈
→
~50%
554409-15-3
tert-butyl N-(3-cyano-4-hydroxyphenyl)carbamate
39835-09-1
2-羟基-5-硝基苯甲腈