Supplier Page from Thermo Fisher Scientific for Polyvinylpyrrolidone, average M.W. 1.300.000, K85-95
Ergosterol, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific