The invention relates to substituted isoquinoline and isoquinolinones of the formula (I)useful for the 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.本發明係關於可用於治療及/或預防與Rho-激酶及/或Rho-激酶媒介的肌凝蛋白輕鏈磷酸酶之磷酸化作用有關的疾病之式(I)經取代異喹啉及異喹啉酮,以及包含此等化合物之組合物。