Supplier Page from Thermo Fisher Scientific for Tin foil, 2.0mm (0.08in) thick, 99.8% (metals basis)
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific