3-(2-methoxyphenyl)-1H-imidazo[4,5-b]pyridin-2-one

3-(3-methoxyphenyl)-1H-imidazo[4,5-b]pyridin-2-one

3-环丙基-1,3-二氢咪唑并[4,5-b]吡啶-2-酮

1-甲基-1H-咪唑并[4,5-b]吡啶