Supplier Page from Thermo Fisher Scientific for 1,8-Naphthalic anhydride, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific