PYRIDOPYRIMIDINONE COMPOUNDS, METHOD FOR PRODUCTION THEREOF AND MEDICAMENTS COMPRISING THE SAME

摘要

Compounds of formula (1) (where R1, R2, R3, R4 are as defined in the description), the enantiomers, diastereomers, tautomers and addition salts thereof with a pharmaceutically-acceptable acid or base, pharmaceutical compositions containing them and used thereof for preparing the medicament for treatment of cancer, arthritis and cardiovascular diseases.