1403475-72-8
→
~72%
2558-17-0
7-fluoro-2-phenylchromen-4-one
897921-88-9
Methanesulfonic acid, trifluoro-, 4-oxo-2-phenyl-4H-1-benzopyran-7-ylester
~64%
403-31-6
4’-氟-2-羟基苯乙酮
+
98-88-4
苯甲酰氯
1148-04-5
4'-Fluor-2'-hydroxy-chalcon