New. Gamma. - hydroxybutyric acid receptor binding agent.A. Gamma. - hydroxybutyric acid receptor binder containing at least one selected from the group consisting of the compound represented by the general formula (1) or (2) and the derivative thereof as an active ingredient.In formula (1), R1 represents a hydrogen atom or hydroxyl group, R2 represents a methylol group or a carboxy group, and M represents an integer of 4 to 8. When m is 6, R2 represents a methylol group. ]In formula (2), R3 represents a hydrogen atom or hydroxyl group, R4 represents a methylol group or a carboxy group, and N represents an integer of 5 to 7. However, when R3 is a hydroxyl group, R4 represents a methylol group, R3 is a hydrogen atom and R4 is a methylol group, and N represents 6 or 7. ]No selection【課題】新たなγヒドロキシ酪酸受容体結合剤の提供。【解決手段】下記一般式（１）又は（２）で表される化合物及びその誘導体からなる群から選ばれる少なくとも１種を有効成分として含む、γヒドロキシ酪酸受容体結合剤。［式（１）中、Ｒ１は水素原子又は水酸基を示し、Ｒ２はメチロール基又はカルボキシ基を示し、ｍは４～８の整数を示す。ただし、ｍが６のときＲ２はメチロール基を示す。］［式（２）中、Ｒ３は水素原子又は水酸基を示し、Ｒ４はメチロール基又はカルボキシ基を示し、ｎは５～７の整数を示す。ただし、Ｒ３が水酸基のときＲ４はメチロール基を示し、Ｒ３が水素原子でありかつＲ４がメチロール基のとき、ｎは６又は７を示す。］【選択図】なし
