| 摘要 |
The invention relates to alkanediyl bis-carboxamides (I) of the general formula (I)
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in which R<1>, R<2>, R<3>, R<4>, X and n have the meaning indicated in the description, and to compositions (II) for use as adhesive component for the treatment of collagen-containing materials, which contain compounds (Ia), and to processes for the preparation and the use of the compositions (II).
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