Supplier Page from Thermo Fisher Scientific for 1H-Pyrazolo[3,4-b]pyridine, 97%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific