Supplier Page from Thermo Fisher Scientific for 1,3-Diethoxybenzene, 95%
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific