求翻译：故本文将研究以肿瘤血管为靶标的新型黄酮乙酸类肿瘤血管阻断剂和在自然界中广泛存在的苯并呋喃类衍生物的合成及其抗肿瘤活性。是什么意思？

Therefore, this article will examine the new flavone acetic acid class tumor blood vessels that target tumor blood vessels, blocking agents and the synthesis of benzofuran derivatives widely exist in nature and its anti-tumor activity.

This article will examine the tumor blood vessels is to target the new Flav acetic acid blockers category tumor blood vessels and the natural world wide presence in the benzene furan derivatives of synthetic and its tumor.

Therefore this article will study take the tumor blood vessel as the target new flavanone ethanoic acid class tumor blood vessel blocking agent and in the nature the widespread existence benzene and fu nan the kind of derivative synthesis and anti-tumor activeness.

So this article will study in tumor vascular targeting tumor blood vessel blockers and acetate of new flavonoids are widespread in nature, and synthesis of furan derivatives and their antitumor activity.

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