A three-terpene - cyclodextrin covalent compounds and preparation and use

The present invention provides compounds of formula (I), triterpene - cyclodextrin covalent compounds or stereoisomers, epimers or configurational isomers, or the triterpene - cyclodextrin covalently compound or a stereoisomer thereof, to a pharmaceutically acceptable difference isomer or configurational isomers salt or ester thereof, or the triterpene - cyclodextrin covalent compounds or stereoisomers, epimers isomer or configurational isomers or a pharmaceutically acceptable hydrate of a salt or ester thereof, wherein, RT is of formula (II), in which the n, the dotted line, R1 ~ R9, R15 ~ R17, RC , defined RC 'as described in the specification. Also provided for preparing the above triterpene - acceptable cyclodextrin compound, or a pharmaceutically acceptable salt thereof covalent or a hydrate thereof, and said compound of manufacture of a medicament for the prevention or treatment of influenza or hepatitis C in .