820232-32-4
ethyl 4-[[2-(2-chloroethoxy)acetyl]amino]benzoate
→
~63%
766556-56-3
ethyl 4-(3-oxomorpholin-4-yl)benzoate
19614-15-4
4-吗啉-4-苯甲酸乙酯
~57%
451-46-7
对氟苯甲酸乙酯