| abstract |
The present invention relates to a benzazepinone compound represented by the following formula (I): (see formula I) wherein R1 represents a C1-C6 alkyl group or halogeno C1-C6 alkyl group, R2 represents a carboxyl group which may be protected, and Y represents a group represented by the formula (II): (see formula II) wherein Z represents CH or a nitrogen atom, or a pharmaceutically acceptable salt thereof. |