Supplier Page from Thermo Fisher Scientific for 4-Methylaminophenol sulfate, ACS reagent, 99.0-101.5%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific