Supplier Page from Thermo Fisher Scientific for Tin foil, 0.05mm (0.002in) thick, 98.8% (metals basis)
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific