1H-Pyrazolo[3,4-b]pyridine, 3-broMo-1-(tetrahydro-2H-pyran-2-yl)-; 3-bromo-1-(oxan-2-yl)-1H-pyrazolo[3,4-b]pyridine; 3-Bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine; 3-Bromo-1-tetrahydropyran-2-yl-pyrazolo[3,4-b]pyridine;