AROMATIC AMINE DERIVATIVES HAVING NOS INHIBITORY EFFECT

摘要

Compounds represented by general formula (1) which have NOS inhibitory activities and are useful as drugs, for example, remedies for cerebrovascular disorders, wherein R1 and R2 represent each hydrogen, etc.; R3 and R4 represent each hydrogen, lower alkyl, etc.; R5 represents hydrogen, etc.; X1, X2, X3 and X4 represent each hydrogen, lower alkoxyl, etc.; A represents an optionally substituted pyridine ring, etc.; and m and n are each 0 or 1.