| abstract |
The present invention provides compounds of formula 1, isotopic forms, stereoisomers or tautomers thereof, or pharmaceutically acceptable salts, solvates, N-oxides, S-oxides and polymorphs thereof, and processes for their preparation. The invention further relates to pharmaceutical compositions containing said compounds and their use in the treatment of diseases or disorders mediated by EZH2 (enhancer of zeste homolog 2), particularly cancer. |