Antitumor substance BE-13793C derivatives
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United States of America Patent
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Dec 26, 1995
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app pub date -
Feb 13, 1995
filing date -
May 11, 1990
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Abstract
This invention relates to 12,13-dihydro-6H-indolo[2,3-a]pyrrolo[3,4-c]carbazole-5,7(6H)-dione derivatives represented by the following general formula, pharmaceutically acceptable salts thereof, a method for preparation thereof and a use thereof: ##STR1## [wherein R.sup.1 denotes a monosaccharide group having 5 to 7 carbon atoms, and the hydroxyl groups of this monosaccharide group can be replaced by the same or different 1 to 3 groups selected from the group consisting of a hydrogen atom, lower alkyl group, lower alkylcarbonyloxy group and lower alkoxy group.]
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