| 摘要 |
<p>The present invention discloses an optically active polyester comprising at least constituent units represented by the general formula (I) and the general formula (II):wherein Ar<1 >and Ar<2 >each independently represents a bivalent aromatic group or a bivalent heteroaromatic group, and X<1 >and X<2 >each independently represents a hydrogen atom or an electron-withdrawing group,wherein A represents a bivalent substituent.</p> |
