摘要 |
The invention relates to compounds of formula (I): Wherein R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>3</SUB>, R<SUB>4</SUB>, R<SUB>5</SUB>, R<SUB>6</SUB>, R<SUB>7</SUB>, R<SUB>8</SUB>, R<SUB>9 </SUB>are as defined herein. The invention also relates to the preparation method thereof and to the use of same in therapeutics.
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