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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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