Supplier Page from Thermo Fisher Scientific for 1,3-Diphenylisobenzofuran, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific