Supplier Page from Thermo Fisher Scientific for 2,3,4-Trihydroxybenzoic acid, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific