| abstract |
The present invention belongs to the field of medical technology, and particularly relates to heterocyclic-substituted pyrimidine compounds represented by the general formula (I) and pharmaceutically acceptable salts thereof: [Chemical 1] (Wherein R 1 , R 2 , R 3 , R 4 and R 5 are as defined herein). The present invention also relates to a method for preparing the above-described compound, a pharmaceutical composition containing the compound, and a pharmaceutical agent for promoting or preventing a disease associated with sexual dysfunction and lower urinary tract symptoms, or a drug that enhances cGMP signaling function. The use of the compound and the pharmaceutical composition. |