| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compound having a high molar extinction coefficient and a high spectroscopic concentration. <P>SOLUTION: This compound is expressed by formula (I) [wherein, D is phenyl which may have a substituent, or naphthyl which may have a substituent; X<SP POS="POST">1</SP>and X<SP POS="POST">2</SP>are each independently -CO-O-; L<SP POS="POST">1</SP>and L<SP POS="POST">2</SP>are each independently 1-8C alkanediyl; R<SP POS="POST">1</SP>is H, methyl or ethyl; R<SP POS="POST">2</SP>is H, cyano or carbamoyl: R<SP POS="POST">3</SP>is 1-4C alkyl or trifluoromethyl; and R<SP POS="POST">4</SP>to R<SP POS="POST">7</SP>are each independently H, 1-8C alkyl, 1-8C alkoxy or hydroxy]. <P>COPYRIGHT: (C)2012,JPO&INPIT |
