Supplier Page from Thermo Fisher Scientific for 2,4,6-Triphenylpyrylium tetrafluoroborate, 97%
Ellagic acid, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Gramine, 99% from Thermo Fisher Scientific