| abstract |
A tetracyclic compound represented by formula (I) (wherein Q represents -O- or the like; X represents CH or the like; R1 represents a lower alkyl group or the like; R2 and R3 independently represent a hydrogen atom or the like; and R4 and R5 independently represent a lower alkyl group which may have a substituent, or the like) or a pharmaceutically acceptable salt thereof, which has a glucocorticoid receptor regulation activity and the like; and others. |