A pyridazinone compound represented by the general formula
wherein Ar is
in which R', R2 and R3 may be identical or different, and each represents a hydrogen atom, a lower alkyl group, a trifluoromethyl group, a halogen atom, a cyano group or a nitro group, and R' represents a hydrogen atom, a lower alkoxy group, or a lower alkyl group substituted by a lower alkoxy group or a carbamoyl group, and C* is an assymmetric carbon atom,
or a salt thereof. This compound is useful for the treatment of diseases of the circulatory system.
由通式表示的
哒嗪酮化合物
其中 Ar 是
其中 R'、R2 和 R3 可以相同或不同,各自代表
氢原子、低级烷基、三
氟甲基、卤素原子、
氰基或硝基,R'代表
氢原子、低级烷
氧基或被低级烷
氧基或
氨基甲酰基取代的低级烷基,且 C* 为不对称
碳原子、
或其盐。该化合物可用于治疗循环系统疾病。