Supplier Page from Thermo Fisher Scientific for Polyvinylsulfuric acid potassium salt, approx. M.W. 175,000
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific