Supplier Page from Thermo Fisher Scientific for Diethylzinc, nominally 15% w/w in hexane, packaged under Nitrogen in resealable AcroSeal[t bottles
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific