Supplier Page from Thermo Fisher Scientific for (2R,3R)-(-)-2,3-Butanediol, 98+%, 99+% ee
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific