Supplier Page from Thermo Fisher Scientific for Tetramethylammonium hydroxide, 25% in water
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific