Supplier Page from Thermo Fisher Scientific for 2,5-Dihydroxy-1,4-benzoquinone, 98%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific