Supplier Page from Thermo Fisher Scientific for Sulfur trioxide pyridine complex, technical, 48-50% active SO3
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Isonipecotic acid, 99% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific