Supplier Page from Thermo Fisher Scientific for tert-Butyl (S)-5-oxopyrrolidine-2-carboxylate, 95%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific