Supplier Page from Thermo Fisher Scientific for (R)-(-)-2-Hydroxy-4-phenylbutyric acid, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific