Supplier Page from Thermo Fisher Scientific for 4-Isopropoxybenzenesulfonyl chloride, 96%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific