The present invention relates to novel compounds of the general formula (I), their derivatives, their analogs, their stereoisomers, their pharmaceutically acceptable salts and compositions. The present invention more particularly provides novel heterocyclic compounds of the general formula (I).
                            本发明涉及一般式(I)的新化合物,它们的衍
生物、类似物、立体异构体、药学上可接受的盐和组合物。本发明更特别地提供一般式(I)的新
杂环化合物。