Supplier Page from Thermo Fisher Scientific for 2,3-Pyrazinedicarboxylic anhydride, 97%
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific