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关登素(Maytansinc)是从植物中分离得到的大环内酯类化合物。由于它对实验肿瘤的抗瘤谱广,活性高,故在七十年代引起了中外有关学者的兴趣和重视。在化学、药理及临床等方面进行了广泛而深入的研究。1974年
Maytansin is a macrolide compound isolated from plants. Because of its wide range of anti-tumor against experimental tumors, high activity, so in the seventies has aroused the interest of Chinese and foreign scholars and attention. In chemistry, pharmacology and clinical aspects of a wide range of in-depth research. 1974