abstract |
The present invention belongs to the field of medical technology, and specifically relates to heterocyclic substituted pyrimidine compounds represented by general formula (I), pharmaceutically acceptable salts thereof or stereoisomers thereof, wherein R 1 , R 2 , R 3 , R 4 and R 5 are as defined in the description; the present invention also relates to a preparation method of these compounds, a pharmaceutical composition containing the compound, and an application of the compound and the pharmaceutical composition in the preparation of a drug for enhancing cGMP signal transduction function. |