Pyridazinones of the following formula (I):
where R¹-R⁴ are a variety of substituents and L is a linking group, a pharmaceutical composition for treating congestive heart failure, novel intermediates, methods for such treatment and processes for preparing compounds of formula (I).
下式(I)的
哒嗪酮:
其中 R¹-R⁴ 是各种取代基,L 是连接基团;治疗充血性心力衰竭的药物组合物、新型中间体、治疗方法和制备式 (I) 化合物的工艺。