1099-45-2
乙氧甲酰基亚甲基三苯基膦
+
55991-70-3
5-(4-bromophenyl)furan-2,3-dione
→
~83%
97181-05-0
ethyl (2E)-2-[5-(4-bromophenyl)-3-oxofuran-2-ylidene]acetate