Supplier Page from Thermo Fisher Scientific for 1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid, 97%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific