Supplier Page from Thermo Fisher Scientific for 5-[4-(Trifluoromethyl)phenyl]-1H-tetrazole, 95%
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific