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1·Objective To study the antitumor activity of otiose and coumarin in novobiocin.

目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。

2·Objective To study the antitumor activity of noviose and coumarin in novobiocin.

目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。