| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a problem that conventionally known compounds not necessarily fully satisfy solubility in an organic solvent. <P>SOLUTION: This compound is expressed by formula (I) (wherein R<SP POS="POST">1</SP>to R<SP POS="POST">5</SP>each independently represents hydrogen, halogen, 1-8C alkyl, nitro or -SO<SB POS="POST">2</SB>NH<SB POS="POST">2</SB>or the like; R<SP POS="POST">6</SP>represents hydrogen, methyl, ethyl or amino; R<SP POS="POST">7</SP>represents sulfo or carboxy; and R<SP POS="POST">8</SP>represents hydrogen, halogen, 1-8C alkyl, 1-8C alkoxy, nitro, cyano or hydroxy). <P>COPYRIGHT: (C)2013,JPO&INPIT |
