Supplier Page from Thermo Fisher Scientific for Tantalum(V) tetraethoxide 2,4-pentanedionate, 99.99%, (metals basis)
2-Heptanol, 99+% from Thermo Fisher Scientific
L(+)-Prolinol, 95% from Thermo Fisher Scientific
Maleic acid, 99% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific