Supplier Page from Thermo Fisher Scientific for 5-(Tri-n-butylstannyl)pyrimidine, 96%
2,6-Lutidine, 99% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific