Supplier Page from Thermo Fisher Scientific for 1,2,4,5-Benzenetetracarboxylic anhydride, 99%
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific