Supplier Page from Thermo Fisher Scientific for 4-(Trifluoromethoxy)benzenesulfonyl chloride, 98%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific