Supplier Page from Thermo Fisher Scientific for 6-Cyano-7-nitro-1,4-dihydroquinoxaline-2,3-dione, 98%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl dichlorophosphate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific