ANTITUMOR SUBSTANCE AND METHOD FOR PRODUCING THE SAME
PROBLEM TO BE SOLVED: To provide a new compound useful in the medicinal field, more concretely capable of inhibiting the propagation of tumor cells and exhibiting an antitumor activity, a method for producing the same, the use of the same and microorganisms producing the same compound. SOLUTION: Thi...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a new compound useful in the medicinal field, more concretely capable of inhibiting the propagation of tumor cells and exhibiting an antitumor activity, a method for producing the same, the use of the same and microorganisms producing the same compound. SOLUTION: This amtitumor agent is provided by using a compound produced by microorganisms belonging to the genus Streptomyces and expressed by the structural formula (I) wherein, R is -CH=CH- or -CH2-CH2} or its pharmaceutically permissible salt. |
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