Supplier Page from Thermo Fisher Scientific for (-)-Diethyl D-tartrate, 99%, made from unnatural tartaric acid
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific