Organogermanium compound and antitumor agent composed mainly of this compound
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United States of America Patent
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Sep 20, 1988
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N/A
app pub date -
Dec 24, 1986
filing date -
Dec 28, 1985
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Expired
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Abstract
This invention discloses organogermanium compounds characterized in being expressed by the following formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 respectively denote a hydrogen atom, a lower alkyl group, or a substituted or unsubstituted phenyl group, Y denotes an oxygen or sulfur atom, and Z denotes a hydroxyl group, an amino, or a lower alkoxy group, and antitumor agents comprising as a principal agent these compounds.
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