| 摘要 |
2072072 9207884 PCTABS00013 A homopolymer of a (meth)acrylic acid derivative represented by general formula (I), a process for producing the same by mechanochemical polymerization, and polymer drug and prodrug containing the same: wherein R1 represents hydrogen or methyl; R2 represents a residue of a compound having a physiological activity in its chemical structure; X represents a residue of a compound having hydroxyl, amino or carboxyl groups at both terminals in its chemical structure; and n is such a number as to give a number-average molecular weight of 20,000 to 200,000.
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