Supplier Page from Thermo Fisher Scientific for p-Toluenesulfinic acid, sodium salt, 97%, anhydrous
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific