Supplier Page from Thermo Fisher Scientific for 2,3,4,5,6-Pentafluorobenzenesulfonyl chloride, 98+%
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific