| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compound having improved hydrolysis resistance and a crystallization rate. <P>SOLUTION: The compound is represented by general formula (1). In general formula (1), R<SP POS="POST">1</SP>is a 1-6C alkyl group; R<SP POS="POST">2</SP>to R<SP POS="POST">6</SP>are each independently a hydrogen atom, a 1-8C alkyl group, or a 6-14C aryl group; and n is a natural number of 1-50,000. <P>COPYRIGHT: (C)2012,JPO&INPIT |
