| abstract |
The invention relates to a 4-methyldihydropyrimidine compound and its use as medicine, especially the medicine for treating and preventing hepatitis B. Specifically, the present invention relates to compounds represented by general formula (I) or (Ia) or their enantiomers, diastereoisomers, tautomers, hydrates, solvates or pharmaceutically acceptable Accepted salts wherein each variable is as defined in the specification. The present invention also relates to compounds represented by general formula (I) or (Ia) or their enantiomers, diastereomers, tautomers, hydrates, solvates or pharmaceutically acceptable salts Use as a medicine, especially as a medicine for the treatment and prevention of hepatitis B. |