abstract |
(57) [Summary] (Modified) [Purpose] Used for the treatment of heart failure, myocardial infarction, liver injury, diabetes, cerebrovascular injury or Parkinson's disease, or for enhancing muscle function or improving immune response. And a acyl derivative of uridine or cytidine as an active ingredient. [Structure] The following formulas (I) and (III) [In the formula, R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen or an acyl group of a metabolite. However, at least one of R 1 , R 2 , R 3 and R 4 is not hydrogen], and a pharmaceutical composition containing an acyl derivative of uridine or cytidine or a pharmaceutically acceptable salt thereof. |