CYCLODEXTRIN COMPOUND MODIFIED WITH FOLIC ACID, PROCESS FOR PRODUCTION THEREOF, DRUG DELIVERY AGENT FOR TARGETING DRUG DELIVERY SYSTEM, PHARMACEUTICAL COMPOSITION, AND IMAGING AGENT
Disclosed is a cyclodextrin compound comprising glucopyranoses constituting cyclodextrin, the glucopyranoses having substituents each having folic acid substituted for two or more primary hydroxy groups at position-6 of the glucopyranoses.