Supplier Page from Thermo Fisher Scientific for 12-Crown-4, 98%
(±)-erythro-Aleuritic acid, 95% from Thermo Fisher Scientific
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Glutathione, 98%, for analysis, reduced from Thermo Fisher Scientific