5-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one5-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one