67-56-1
甲醇
+
62913-20-6
3-bromo-5-methoxy-benzo[b]thiophene-2-carboxylic acid
→
~92%
62913-21-7
methyl 3-bromo-5-methoxy-1-benzothiophene-2-carboxylate
7621-89-8
3-(3-methoxyphenyl)prop-2-ynoic acid