Arylsulfonylimidazolone derivatives as an antitumor agent
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United States of America Patent
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Aug 3, 1999
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app pub date -
Dec 16, 1998
filing date -
Aug 22, 1996
priority date (Note) -
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Abstract
The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which - -, R.sub.1, and R.sub.2 are as defined in the specification.
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