Supplier Page from Thermo Fisher Scientific for 2,7-Dimethylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 97%
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 3-chloropropionate, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific