N-ethyl-2-[6-(3-fluoro-4-methoxybenzyl)-1-oxo-1,2,4,7-tetrahydro-3H-indolo[2,3-c][1,7]naphthyridin-3-yl]acetamide 在
甲醇 、 sodium tetrahydroborate 作用下,
生成
N-ethyl-2-[6-(3-fluoro-4-methoxybenzyl)-1-hydroxy-1,2,4,7-tetrahydro-3H-indolo[2,3-c][1,7]naphthyridin-3-yl]acetamide