Supplier Page from Thermo Fisher Scientific for 6-Cyano-7-nitro-1,4-dihydroquinoxaline-2,3-dione, 98%
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific