Supplier Page from Thermo Fisher Scientific for (R)-(+)-2-Pyrrolidinone-5-carboxylic acid, 98+%
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific