Supplier Page from Thermo Fisher Scientific for 2,4-Dimethoxybenzonitrile, 99%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific