发明名称 2-Ethoxymethyl-5-hydroxy-gamma-pyrone and melanogenesis-inhibiting endermic preparation containing the same compound as active ingredient.
摘要 <p>Disclosed are 2-ethoxymethyl-5-hydroxy- gamma -pyrone and an melanogenesis-inhibiting endermic preparation for external application containing the compound as an active ingredient. The endermic preparation is almost non-toxic and has an extremely high melanogenesis-inhibiting activity.</p>
申请公布号 EP0417632(A2) 申请公布日期 1991.03.20
申请号 EP19900117095 申请日期 1990.09.05
申请人 SANSHO SEIYAKU CO., LTD. 发明人 YAMAMOTO, SHINJI
分类号 A61K8/49;A61K8/00;A61Q19/02;C07D309/40 主分类号 A61K8/49
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