Disclosed are an anti-angiogenic compound, represented by Chemical Formula I, or a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutically acceptable composition including the same. Because the compound of Chemical Formular I potently suppresses the angiogenesis, the compound of Chemical Formula I is applicable to the prevention and treatment of diseases caused by aberrant activity of vascular endothelial growth factor, and available as an anti-angiogenic agent.【課題】血管新生抑制活性を有する化学式Iの化合物またはその薬学的に許容される塩、その製造方法およびそれを含む薬学的組成物を提供すること。【解決手段】本発明の化学式Iの化合物は、血管新生抑制活性に優れるため、血管新生抑制活性の異常により誘発された疾患の予防または治療に有用に使用できる。【選択図】図1