| 摘要 |
A compound of Formula (1) and salts thereof:wherein:A is a substituted phenyl group carrying a group of the formula -NR<3>R<4 >and an ortho carboxy group;n is 0 or 1;L<1 >and L<2 >are each independently H, optionally substituted alkyl, optionally substituted cycloalkyl or optionally substituted aryl, or L<1 >and L<2 >together with the N atom to which they are attached form an optionally substituted 5- or 6-membered ring;R<1 >and R<2 >are each independently optionally substituted alkyl or optionally substituted alkoxy; andR<3 >and R<4 >are each independently H, optionally substituted alkyl, optionally substituted cycloalkyl or optionally substituted aryl, or R<3 >and R<4 >together with the N atom to which they are attached form an optionally substituted 5- or 6-membered ring; orR<3 >is H, optionally substituted alkyl, optionally substituted cycloalkyl or optionally substituted aryl; andR<4 >is an acyl group.The use of these compounds in inks and the use of inks comprising these compounds in ink jet printing. |
