Supplier Page from Thermo Fisher Scientific for 1,4-Dioxane, 99.8%, Extra Dry, stabilized, AcroSeal®
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific