Novel γ-cyclodextrin derivatives which are γ-cyclodextrin substituted with C1-C6 alkyl, hydroxy C1-C6 alkyl, carboxy C1-C6 alkyl or C1-C6 alkyloxycarbonylC,-C6 alkyl or mixed ethers thereof and their preparation. Compositions comprising such cyclodextrin derivatives and an active ingredient which is preferably a drug and the preparation of such compositions.
用C1-C6烷基、羟基C1-C6烷基、羧基C1-C6烷基或C1-C6烷氧羰基C,-C6烷基或其混合醚取代的γ-
环糊精新型衍
生物及其制备方法。由此类
环糊精衍
生物和活性成分(最好是药物)组成的组合物及其制备方法。