| 摘要 |
PROBLEM TO BE SOLVED: To create a new copolymer or compound that can markedly promote protein retention in blood. SOLUTION: A copolymer that comprises mutually different one or more structural units represented by general formula (I) (wherein m is an integer, Alk, R<SP>1</SP>and R<SP>2</SP>are independent each other a 1-6C alkyl or the like) and mutually different one or more structural units represented by general formula (II) (wherein R<SP>3</SP>is hydroxyl or the like) or their pharmacologically acceptable salts. COPYRIGHT: (C)2005,JPO&NCIPI |
