| 摘要 |
<p>Disazo compounds represented by general formula (1) or salts thereof, wherein A represents optionally substituted phenylene or naphthylene; R?1 and R2¿ each independently represents hydrogen, an alkyl, optionally substituted phenyl, etc.; and m is 1 or 2. The compounds are highly soluble in water and are stable during long-term storage. The ink composition containing the same gives a print having a high image density and an excellent fastness to water.</p> |
