Supplier Page from Thermo Fisher Scientific for 1,4-Dinitrobenzene, 98%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific