Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.025mm (0.001in) thick, hard, 99.95% (metals basis)
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific