Supplier Page from Thermo Fisher Scientific for Boron trifluoride dimethyl etherate
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific