A compound represented by the following general formula (I):
(I) wherein R7 and R21 are the same or different and each represents optionally substituted C2-22 alkoxy, etc.; a pharmaceutically acceptable salt thereof or hydrates of the same. The compound (1) inhibits angiogenesis and inhibits the production of VEGF particularly under hypoxic conditions, which makes it useful as a remedy for solid cancer.
由以下通式(I)代表的化合物:
(I) 其中 R7 和 R21 相同或不同,且各自代表任选取代的 C2-22 烷氧基等;其药学上可接受的盐或其
水合物。化合物(1)可抑制血管生成,特别是在缺氧条件下可抑制血管内皮生长因子的产生,因此可作为治疗实体癌的药物。