Supplier Page from Thermo Fisher Scientific for Bathocuproinedisulfonic acid, disodium salt hydrate, 97%
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific