Supplier Page from Thermo Fisher Scientific for 1,4-Dimethoxynaphthalene, 96%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific