88072-01-9
tert-butyl 2-(3-bromopropanoylamino)benzoate
→
~82%
88072-13-3
tert-butyl 2-(2-oxoazetidin-1-yl)benzoate
64113-91-3
邻氨基苯甲酸正丁酯
55666-41-6
2-硝基苯甲酸叔丁酯