Supplier Page from Thermo Fisher Scientific for 1,2,4-Benzenetricarboxylic anhydride, 97%
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific