Supplier Page from Thermo Fisher Scientific for 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99%
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific