Novel water-soluble betulin derivatives, a preparation thereof and a cosmetic composition comprising the same for improving wrinkles,申请号KR20090020662-传众专利搜索

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发明名称	Novel water-soluble betulin derivatives, a preparation thereof and a cosmetic composition comprising the same for improving wrinkles
摘要
申请公布号	KR101027217(B1)	申请公布日期	2011.04.06
申请号	KR20090020662	申请日期	2009.03.11
申请人		发明人
分类号	C07J53/00;A61K8/63;A61Q19/08;C07J51/00	主分类号	C07J53/00
代理机构		代理人
主权项
地址

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