Supplier Page from Thermo Fisher Scientific for 6-Cyano-7-nitro-1,4-dihydroquinoxaline-2,3-dione, 98%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific