93103-81-2
ethyl 5-amino-4-bromo-1-benzothiophene-2-carboxylate
→
93104-01-9
4-溴苯并[b]噻吩-2-羰酰氯
93103-82-3
4-bromobenzo[b]thiophene-2-carboxylic acid ethyl ester
25785-10-8
5-氨基-1-苯并噻吩-2-羧酸乙酯
5194-37-6
4-溴苯并[b]噻吩-2-羧酸