发明名称 2-ETHOXYMETHYL-5-HYDROXY-›-PYRONE AND MELANOGENESIS-INHIBITING ENDERMIC PREPARATION CONTAINING THE SAME COMPOUND AS ACTIVE INGREDIENT
摘要 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 melanogenesisinhibiting activity.
申请公布号 CA2024727(A1) 申请公布日期 1991.03.15
申请号 CA19902024727 申请日期 1990.09.06
申请人 SANSHO SEIYAKU CO., LTD. 发明人 YAMAMOTO, SHINJI
分类号 A61K8/49;A61K8/00;A61Q19/02;C07D309/40;(IPC1-7):C07D309/40;A61K31/35;A61K7/48 主分类号 A61K8/49
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