A compound of Formula (1) and salts thereof:
wherein: Q is an optionally substituted aryl ring;
Y is CO
2
H, SO
3
H or PO
3
H
2
; R and X are substituents; m is 0 to 3; n is 0 to 6; and q is 0 to 6. Also compositions comprising these compounds, ink-jet inks, an ink jet process and an ink-jet cartridge.
A compound of Formula (1) and salts thereof:
wherein:
Q is an optionally substituted aryl ring;
Y is CO2H, SO3H or PO3H2;
R and X are substituents;
m is 0 to 3;
n is 0 to 6; and
q is 0 to 6.
Also compositions comprising these compounds, ink-jet inks, an ink jet process and an ink-jet cartridge.