59-49-4
2-苯并唑啉酮
+
541-41-3
氯甲酸乙酯
→
~69%
17280-90-9
ethyl 2-oxo-1,3-benzoxazole-3-carboxylate
95-55-6
美沙拉嗪杂质C
623-49-4
氰基甲酸乙酯
17281-02-6
64-17-5
乙醇
56836-51-2
ethyl N-(2-hydroxyphenyl)carbamate
627-11-2
氯甲酸氯乙酯