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US 5,217,885 AGranted
Antitumor substance BE-13793C
AssigneeBanyu Pharmaceutical Co., Ltd.
InventorsHiroyuki Suda, Katuhisa Kojiri, Akira Okura, Kenji Kawamura, Masanori Okanishi
Life of this patent
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Abstract
A novel antitumor substance BE-13793C or a pharmaceutically acceptable salt thereof, which is represented by the following formula: ##STR1## an anticancer agent comprising the novel substance or a pharmaceutically acceptable salt thereof, a method of producing the novel substance and a microorganism capable of producing the novel substance are disclosed.
Claims1
A method of producing an antitumor substance BE-13793C or a pharmaceutically acceptable salt thereof, which is represented by the formula:
- ##STR3## which comprises culturing Streptoverticillium sp. BA-13793 or a mutant thereof capable of producing said antitumor substance BE-13793C and harvesting the antitumor substance BE-13793C thus accumulated.
Dependencies are inferred from the claim text.