Supplier Page from Thermo Fisher Scientific for 2,3-Dimethoxybenzoic acid, 99%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Furoic acid, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific