Supplier Page from Thermo Fisher Scientific for 2,5-Dibromothiophene, 95%
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific