Compounds of the Formulae (I) and (II):
wherein R1, R2, R3, X, Y and Z are as defined in the specification which compounds are useful in the treatment of disorders associated with smooth muscle contraction via potassium channel modulation.
式(I)和(II)的化合物:其中R1、R2、R3、X、Y和Z如规范中所定义,这些化合物在通过
钾通道调节治疗与平滑肌收缩相关的疾病中很有用。