Supplier Page from Thermo Fisher Scientific for Titanium foil, 1.6mm (0.063in) thick, annealed, 99.2% (metals basis)
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific