Supplier Page from Thermo Fisher Scientific for (R)-2-Isopropylsuccinic acid-1-methyl ester, 95%, (98% ee)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific