3-ethyl-3-hydroxy-1-methylindol-2-one

3-chloro-1,3-dimethylindol-2-one

10-Methyl-1,2,4-triazolo[4',3':2,3]1,2,4-triazino[5,6-b]indole

1-甲基-2-氧代-1,2-二氢-喹啉-4-羧酸