Supplier Page from Thermo Fisher Scientific for 2,3,4-Trihydroxybenzaldehyde, 98%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific