Supplier Page from Thermo Fisher Scientific for 1,4-Dioxane-2,5-dione, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific