吲哚-2,3-二羧酸二甲酯

吗啉

6-chloro-11H-1,2,4-triazolo[4,3-b]pyridazino[4,5-b]indole

2,3-二氢-1H-哒嗪并(4,5-b)吲哚-1,4(5H)-二酮

1,4-dichloro-5H-pyridazino[4,5-b]indole