Supplier Page from Thermo Fisher Scientific for Methylene Blue, pure, certified, residual water
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific