6-(furan-2-yl)-1-[(pyridin-3-yl)methyl]-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS:920631-57-8 6-(PYRIDIN-3-YL)-1-(PYRIDIN-3-YLMETHYL)-1H-PYRAZOLO[3,4-B]PYRIDINE-4-CARBOXYLIC ACID CAS:929974-39-0 6-(TERT-BUTOXYCARBONYL)-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDINE-2-CARBOXYLIC ACID CAS:1092352-58-3 | ||||||||||||