Supplier Page from Thermo Fisher Scientific for Polygalacturonic acid, M.W. 25,000-50,000
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific