This invention relates to methods for using benzopyranones, or their pharaceutically acceptable salts, for treating or preventing a primary brain cancer or a brain metastasis. The benzopyranones have the formula:
1
wherein R
1
, R
2
, R
3
, n and p are as defined herein.
这项发明涉及使用苯并
吡喃酮或其药用可接受的盐来治疗或预防原发性脑癌或脑转移的方法。苯并
吡喃酮的
化学式如下:其中R1、R2、R3、n和p的定义如本文所述。