9-amino-5-bromo-2-cyclobutyl-6-fluoro-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、
2,6-二甲氧基吡啶-3-硼酸 以to afford the title compound as a white solid (63.0 mg, 28.5%)的产率得到9-amino-2-cyclobutyl-5-(2,6-dimethoxypyridin-3-yl)-6-fluoro-2,3-dihydropyrrolo[3,4-b]quinolin-1-one