Supplier Page from Thermo Fisher Scientific for 2-Amino-5-nitrobenzonitrile, 95%
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Glycol sulfite, 98% from Thermo Fisher Scientific