Supplier Page from Thermo Fisher Scientific for n-Heptane, anhydrous, 99+%, packaged under Argon in resealable ChemSealµt bottles
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific