Supplier Page from Thermo Fisher Scientific for 1,1'-Thiocarbonyldi-2(1H)-pyridone, 95%
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific