| abstract |
A novel low-molecular compound having an immunosuppressive action. The compound is a compound having general formula (I) or a pharmacologically acceptable salt thereof. [In the formula, the substituents are defined as shown below: R1 and R2 each represents a hydrogen atom or the like.; R3 represents a hydrogen atom or the like.; Y represents an ethylene group or the like; Z represents a single bond or the like; R5 represents a hydrogen atom or the like; and R6 and R7 each represents a hydrogen atom or the like.] |