| 摘要 |
<p>A water-color ink is provided which contains a compound having in the molecule one or more structures represented by the general formula (1) or a salt thereof and exhibits a clear hue and excellent fastnesses to light and moisture: (1) wherein R1 to R5 and R7 are each independently hydrogen, halogeno, substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted alkenyl, substituted or unsubstituted aryl, hydroxyl, -COOH, -SO3H, -CONR8R9, or -COXR10; and R6 is hydrogen, cyano, aminocarbonyl, sulfomethyl, or -SO3H.</p> |
