MEDICINAL COMPOSITION FOR PREVENTING OR IMPROVING DYSURIA, ANTAGONIST AGAINST DYSURIA-RELATED RECEPTOR, AND METHOD FOR PREVENTING OR IMPROVING DYSURIA USING MEDICINAL COMPOSITION OR ANTAGONIST

摘要

Long-term drug intake may cause a risk of adverse side effects and sufficient effects cannot be obtained in some cases by pharmacotherapy. Provided is a pharmaceutical composition that comprises a compound represented by chemical formula (I). In formula (I): R1 represents a hydrogen atom or a hydroxyl group; R2, R3, R4, R5 and R6 independently represent a hydrogen atom or -OCH3; and R7, R8, R9 and R10 independently represent a hydrogen atom or -OCH3.