62224-24-2
4,5-二溴噻吩-2-羧酸甲酯
→
62224-26-4
tert-butyl 4,5-dibromothiophene-2-carboxylate
6324-10-3
4,5-二溴噻吩-2-甲酸
+
75-65-0
叔丁醇