Novel indolopyrrolocarbazole derivative with antitumor activity
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United States of America Patent
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Issued Date -
Feb 22, 2007
app pub date -
Sep 14, 2004
filing date -
Sep 16, 2003
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Abstract
The present invention relates to a novel indolopyrrolocarbazole derivative which is represented by the formula [I]: wherein: A represents O, NH, or CH.sub.2; R.sub.1 represents a single bond, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, etc.; R.sub.2 represents a phenyl group, a naphthyl group, or a five- or six-membered aromatic or aliphatic heterocyclic ring having at least one atom selected from N, S, or O, wherein the phenyl group, naphthyl group, aromatic or aliphatic heterocyclic ring may be substituted; and G represents a hexose group or a pentose group, or a pharmaceutically acceptable salt thereof.
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