Supplier Page from Thermo Fisher Scientific for Benzenesulfonic acid, tech. ca 75% w/w aq. soln
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific