Supplier Page from Thermo Fisher Scientific for µb-Estradiol, 99% (dry wt.), ca 3% water
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific