5446-02-6
4-甲氧基水杨酸甲酯
+
105-36-2
溴代乙酸乙酯
→
~87%
796851-72-4
methyl 2-(2-ethoxy-2-oxoethoxy)-4-methoxybenzoate
52116-39-9
2-(carboxymethoxy)-4-methoxybenzoic acid