The invention relates to 6-substituted isoquinolone derivatives of the formula (I)useful for treatment and/or prevention of diseases associated with Rho-kinase and/or Rho-kinase mediated phosphorylation of myosin light chain phosphatase, and compositions containing such compounds.本發明係關於式(I)之6-經取代之異喹啉酮衍生物用於治療及/或預防與ρ-激酶相關的疾病及/或ρ-激酶傳介的肌球蛋白輕鏈磷酸酶之磷酸化作用之用途,以及含此化合物之組成物。