Compounds represented by the general formula (1):
(where R1 and R2 are typically a hydrogen atom; R3 and R4 are typically a hydrogen atom or a lower alkyl group; R5 is typically a hydrogen atom; X1, X2, X3 and X4 are typically a hydrogen atom or a lower alkoxy group; A is typically an optionally substituted pyridine ring; m and n are each 0 or 1) have an NOS inhibiting activity and are useful as therapeutics of cerebrovascular diseases and other pharmaceuticals.
通式(1)代表的化合物:(其中R1和R2通常是氢原子;R3和R4通常是氢原子或较低的烷基基团;R5通常是氢原子;X1、X2、X3和X4通常是氢原子或较低的烷氧基团;A通常是一个可选取代的
吡啶环;m和n各自为0或1)具有NOS抑制活性,并可用作脑血管疾病和其他药物的治疗药物。