<正> INTRODUCTION. Triptophenolide methyl ether C21tH26O3 isolated from the Chinese medicinal herb Tripterygium Wilfordii Hook.f. is an anticancer drug with a novel structure. Tests showed that it has a strong inhibitory effect against certain cancers and leukemia and has thus attracted much attention in medical circles. It is considered to be a promising anticancer drug. Apparently our present investigations relative to the structure and its function hsve a certain theoretical and practical significance.
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机译:The crystal structure and drawing induced polymorphism in poly(aryl ether ketone)s, 3. Crystallization during hot‐drawing of poly(ether ether ketone ketone)