Supplier Page from Thermo Fisher Scientific for Potassium isopropoxide, 99% (metals basis), 5% w/v in isopropanol
2-Ethylaniline, 98% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific