541-41-3
氯甲酸乙酯
+
123-30-8
4-氨基苯酚
→
~92%
7159-95-7
ethyl N-(4-hydroxyphenyl)carbamate
105-58-8
碳酸二乙酯
~86%
64-17-5
乙醇
15056-69-6
4-chlorocarbonyloxy-phenyl isocyanate