Supplier Page from Thermo Fisher Scientific for Boron tribromide, 1M solution in methylene chloride
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific