| abstract |
An object of the present invention is to provide a novel benzazine compound or a salt thereof having excellent vasopressin antagonism. The benzazine compound or a salt thereof of the present invention is represented by the formula (1). <Formula 1> (In formula, R < 1> , R < 2> and R < 5> is the same or different, and represents H or D. R < 3> and R < 4> is a C1-C6 alkyl group, C1-C6 deuteroalkyl group, or C1-C6, respectively. Represents a perduteroalkyl group.) |