Supplier Page from Thermo Fisher Scientific for 2,3-Pyrazinedicarboxylic anhydride, 97%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific