Supplier Page from Thermo Fisher Scientific for (S)-(-)-2-(BOC-amino)-1,4-butanediol, 97%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific