| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a colorant compound excellent in weatherability, and to provide ink, especially an inkjet ink, excellent in storage stability. <P>SOLUTION: The colorant compound is represented by general formula (1), wherein A1 is N or CR2; when A1 is N, R1 is an amino group, and when A1 is CR2, R1 forms an aromatic ring together with R2; the aromatic ring has an anionic group; R3 is an alkyl group, an aryl group, or an aralkyl group; Cy is a substituted or unsubstituted aromatic ring. <P>COPYRIGHT: (C)2010,JPO&INPIT |
