Supplier Page from Thermo Fisher Scientific for 2,3-Dimethoxy-5-methyl-1,4-benzoquinone, 98%
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific