Supplier Page from Thermo Fisher Scientific for Aluminum foil, 1.5mm (0.06in) thick, Puratronic:r, 99.998% (metals basis)
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific