4055-00-9
3,4-dihydro-6-phenylpyran-2-one
+
60-29-7
乙醚
7726-95-6
溴素
→
39826-14-7
4-bromo-5-oxo-5-phenylpentanoic acid
1501-05-9
4-苯甲酰基丁酸
75424-63-4
5-oxo-5-phenylpentanal