2-(4-硝基苯基)-4-喹啉羧酸

1-(2-oxopropyl)indole-2,3-dione

3-hydroxy-3-[2-(4-methylphenyl)-2-oxoethyl]-1H-indol-2-one

3-hydroxy-3-[2-(4-methoxyphenyl)-2-oxoethyl]-1H-indol-2-one

3-hydroxy-3-(2-oxo-2-pyridin-2-ylethyl)-1H-indol-2-one