| 摘要 |
A compound selected from those of formula (I): wherein: W<SUB>1 </SUB>represents, together with carbon to which it is bonded, phenyl, pyridyl, Z represents a group of formula U-V as defined in the description, Q<SUB>1 </SUB>represents oxygen, NR<SUB>2 </SUB>as defined in the description, Q<SUB>2 </SUB>represents oxygen, NR'<SUB>2 </SUB>as defined in the description, X<SUB>1</SUB>, X<SUB>2</SUB>, X'<SUB>1 </SUB>and X'<SUB>2 </SUB>each represents hydrogen, hydroxy, alkoxy, mercapto or alkylthio, Y<SUB>1</SUB>, Y<SUB>2</SUB>, Y'<SUB>1 </SUB>and Y'<SUB>2 </SUB>each represents hydrogen, or X<SUB>1 </SUB>and Y<SUB>1</SUB>, X<SUB>2 </SUB>and Y<SUB>2</SUB>, X'<SUB>1 </SUB>and Y'<SUB>1</SUB>, X'<SUB>2 </SUB>and Y'<SUB>2 </SUB>with carbon carrying them, together form carbonyl or thiocarbonyl, R<SUB>1 </SUB>is as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
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