2,4-二氨基-5-氟喹唑啉

24-二氨基-5-碘喹唑啉

5-(4-氯苯基磺酰基)-喹唑啉-2,4-二胺

5-氯-2,4-二氨基喹唑啉

2,4-diamino-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile