A compound having the formula (Ia) or (b), salt or solvate thereof, with the variables as defined herein, which can inhibit selectively phosphodiesterase V and can be useful for treating sexual dysfunction and other physiological disorders, symptoms and diseases
具有
化学式(Ia)或(b)的化合物,其盐或溶剂化物,其中变量的定义如此,可以选择性地抑制
磷酸二酯酶V,并可用于治疗性功能障碍和其他生理障碍、症状和疾病。