COMPOUND, COMPOSITION AND USE

摘要

A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink comprising a compound of Formula (1): wherein one of A and B is an optionally substituted heteroaryl group containing a ring sulphur atom and the other is an optionally substituted aryl or heteroaryl group and R¹, X and Y are as specified. Also claimed are compounds of Formula (1) and various compositions containing the same.