Supplier Page from Thermo Fisher Scientific for 3,4-Di-n-butoxy-3-cyclobutene-1,2-dione, 97%
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific