Supplier Page from Thermo Fisher Scientific for Polyvinylpyrrolidone, average M.W. 1.300.000, K85-95
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific