Supplier Page from Thermo Fisher Scientific for Methyl 4-cyano-5-(methylthio)thiophene-2-carboxylate, 97%
4-Ethylaniline, 99+% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific