Pharmaceutically acceptable salt of benzazepine derivatives

Abstract

The pharmaceutically acceptable salt of present invention provides novel benzazepine compounds of Formula (1), having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is C(=O)-NH-, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.