Supplier Page from Thermo Fisher Scientific for Titanium foil, 0.74mm (0.029in) thick, annealed, 99.4+% (metals basis)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific