Supplier Page from Thermo Fisher Scientific for 1H-Pyrazolo[3,4-b]pyridine, 97%
2-Ethylaniline, 98% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific