Supplier Page from Thermo Fisher Scientific for Diethylzinc, nominally 15% w/w in hexane, packaged under Nitrogen in resealable AcroSeal[t bottles
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific