| 摘要 |
A sustainedly releasing agent for medicines comprising a non-crosslinked type anion-exchange resin represented by the general formula (I):whereinR1 represents aralkyl or alkyl, each of R2 and R3 represents lower alkyl, R4 represents a hydrogen atom or lower alkyl, X- represents a physiologically acceptable counter ion, n represents 1-3, and p represents a mean degree of polymerization, respectively, as well as a sustainedly released medicinal composition comprising the sustainedly releasing agent and a hypolipidemic agent.
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