5-羟基-1H-吲唑

6-[(1H-indazol-5-ylamino)methylidene]cyclohexa-2,4-dien-1-one

3,6-dihydropyrrolo[3,2-e]indazole-7,8-dione

5-氨基-1H-吲唑-4-羧酸甲酯

3,6-dihydropyrazolo[4,3-f]quinazolin-9-one