Supplier Page from Thermo Fisher Scientific for Quinine, anhydrous, 99% (total base), may cont. up to 5% dihydroquinine
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific