| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a problem that a conventionally known compound does not have sufficient solubility in an organic solvent. <P>SOLUTION: A compound expressed by formula (I) is disclosed. In the formula, R<SP POS="POST">1</SP>represents a 1-8C alkyl group, wherein a hydrogen atom included in the alkyl group may be substituted with a hydroxy group; R<SP POS="POST">2</SP>represents a hydrogen atom, a cyano group or a carbamoyl group; R<SP POS="POST">3</SP>represents a 1-4C alkyl group or a trifluoromethyl group; and R<SP POS="POST">4</SP>represents a hydrogen atom, a 1-8C alkyl group, a 1-8C alkoxy group, a hydroxy group or a cyano group. <P>COPYRIGHT: (C)2013,JPO&INPIT |
