ANIONIC COMPOUNDS

摘要

SMC 36650 ANIONIC COMPOUNDS A compound of Formula (1): <IMG> (1) wherein: X1 is a sulpho or carboxy group; each X2 independently is a substituent; m has a value of from 0 to 2; Y1 and Y2 are each independently alkyl or halo; and Z is a carboxy group. The above compounds may be be used as colorant for ink jet printing inks either alone or as a mixture with a secon magenta compound.