Supplier Page from Thermo Fisher Scientific for n-Butyllithium, 1.6M in hexanes, packaged under Nitrogen in resealable AcroSeal[t bottles
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific