| 摘要 |
<p>Compounds of Formula (1) and salts and tautomers thereof, wherein: R?1 and R2¿ each independently is H, optionally substituted alkyl, optionally substituted aryl or optionally substituted arylalkyl; each W and each X independently is -COOH, -SO¿3?H, -PO3H2 or alkyl substituted by one or more groups selected from -COOH, -SO3H and -PO3H2; each Y and each Z independently is a substituent other than those defined for W and X; a and d each independently is 1 to 5; b and c each independently is 0 to 4; (a + b) has a value of 5 or less; and (c + d) has a value of 5 or less. Also claimed are inks containing a compound of Formula (1), an ink jet printing process using the inks, substrates printed with the inks and ink jet printer cartridges containing the inks.</p> |
