Supplier Page from Thermo Fisher Scientific for 4-(Tri-n-butylstannyl)pyridine, 96%
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
D-Mannitol, 98+% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Itaconic acid, 99+% from Thermo Fisher Scientific