Supplier Page from Thermo Fisher Scientific for Cyanogen bromide, 3M solution in dichloromethane
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific