Supplier Page from Thermo Fisher Scientific for tert-Butyl (S)-5-oxopyrrolidine-2-carboxylate, 95%
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific