124-38-9
二氧化碳
+
116016-64-9
2-bromo-3-methyl-5-phenylthiophene
→
23806-25-9
3-methyl-5-phenylthiophene-2-carboxylic acid
122-57-6
苯亚甲基丙酮
14300-29-9
4-Methyl-2-phenylthiophene