| 摘要 |
The present invention provides a method for forming compounds of Formula <?in-line-formulae description="In-line Formulae" end="lead"?>HO-C(-O)R<SUP>1</SUP>-X-R<SUP>2</SUP>-X-R<SUP>1</SUP>-C(-O)-O-H<?in-line-formulae description="In-line Formulae" end="tail"?> wherein compound (I) can be polymerized to provide a polymer that contains therapeutically active compounds. In the compounds of the invention, each R<SUP>1 </SUP>is group that will provide the therapeutically active compound upon hydrolysis of the polymer; each X is independently an ester linkage or an amide linkage; and R<SUP>2 </SUP>is a linking group.
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