Supplier Page from Thermo Fisher Scientific for Potassium tert-butoxide, 97%
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
D(-)-Ribose, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific