| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compound useful as a dye excellent in solubility in an organic solvent. <P>SOLUTION: A compound expressed by formula (I) is provided. In formula (I), R<SP POS="POST">1</SP>and R<SP POS="POST">2</SP>each independently represents a hydroxy group or an amino group; R<SP POS="POST">3</SP>represents a sulfo group or a carboxy group; R<SP POS="POST">4</SP>and R<SP POS="POST">5</SP>each independently represents a hydrogen atom or a group expressed by formula (i) (in formula (i), R<SP POS="POST">7</SP>represents a 1-8C alkyl group or the like; p denotes an integer of 0 to 2; and * represents a direct bond with a nitrogen atom); and R<SP POS="POST">6</SP>represents a hydrogen atom or the like. <P>COPYRIGHT: (C)2013,JPO&INPIT |
