Catechol derivatives represented by the general formula:
wherein each symbol is as defined in the specification and their pharmaceutically acceptable acid addition salts.
Said derivatives are useful for the prevention or treatment of degenerative neurological diseases.
由通式代表的
儿茶酚衍
生物:
其中各符号如说明书中所定义,以及它们的药学上可接受的酸加成盐。
上述衍
生物可用于预防或治疗神经系统退行性疾病。