Supplier Page from Thermo Fisher Scientific for Tantalum(V) tetraethoxide 2,4-pentanedionate, 99.99%, (metals basis)
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
Shikimic acid, 98% from Thermo Fisher Scientific