Medicinal composition
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United States of America Patent
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app pub date -
Feb 16, 2004
filing date -
Feb 14, 2003
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Abandoned
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Abstract
(-)-DHM2EQ, which is useful as an antitumor agent and an anti-inflammatory agent, can be directly obtained by optically resolving (.+-.)-DHM2EQ using an optically active column packed with an optical resolving agent containing, for example, amylose tris(3,5-dimethylphenylcarbamate) as an active ingredient. The (-)-DHM2EQ obtained by optical resolution using the optically active column or pharmacologically acceptable salt thereof is useful as a pharmaceutical composition for improving various symptoms.
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