61166-00-5
3,3'-亚乙基二氧二苯酚
+
94-02-0
苯甲酰乙酸乙酯
→
~76%
66346-12-1
7-[2-(2-oxo-4-phenylchromen-7-yl)oxyethoxy]-4-phenylchromen-2-one