| abstract |
The invention provides a pyrimidodiazepinone derivative represented by the general formula (I) n n n n n n n n n n [wherein n represents 1 or 2, Z represents a hydrogen atom or the like, R 1 and R 2 may be the same or different, and each represents a hydrogen atom or the like, A represents a bond, (CH 2 ) m (wherein m represents an integer of 1 to 4), optionally substituted phenylene, optionally substituted pyridinediyl, or C═O, R 3 represents a hydrogen atom, optionally substituted lower alkyl, or the like, and R 4 represents a hydrogen atom or the like], or a pharmaceutically acceptable salt thereof or the like. |