64-17-5
乙醇
→
218281-09-5
ethyl 2-(9H-xanthen-9-yl)acetate
51452-87-0
2,2-二溴联苯醚
+
140-88-5
丙烯酸乙酯
17792-13-1
ethyl 2-xanthen-9-ylideneacetate