Supplier Page from Thermo Fisher Scientific for (1S,2R)-cis-4-Cyclohexene-1,2-dicarboxylic acid 1-monomethyl ester, 98%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific