Supplier Page from Thermo Fisher Scientific for 2,4-Dihydroxybenzophenone, 99%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl dichlorophosphate, 97% from Thermo Fisher Scientific