Supplier Page from Thermo Fisher Scientific for 2,4-Dimethoxybenzenesulfonamide, 96%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific