Supplier Page from Thermo Fisher Scientific for Ethyl 2-mercaptoacetate, 99%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific