tert-Butyl 4-{2-oxo-1H,2H,3H-imidazo[4,5-b]pyridin-1-yl}piperidine-1-carboxylatetert-Butyl 4-{2-oxo-1H,2H,3H-imidazo[4,5-b]pyridin-1-yl}piperidine-1-carboxylate
