Supplier Page from Thermo Fisher Scientific for 1-Tritylimidazole-4-carboxaldehyde, 98%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific