Supplier Page from Thermo Fisher Scientific for 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one, 98+%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific