摘要:
An ink sheet for heat-sensitive transfer recording material comprising an azo dye represented by the following formula (1): wherein R1, R2, R3 and R4 represent a hydrogen atom or substituent; and Het represents a heterocyclic group which may have substituents or a condensed ring.
摘要翻译:一种用于热敏转印记录材料的油墨片,包括由下式(1)表示的偶氮染料:其中R 1,R 2,R 3, R 4和R 4代表氢原子或取代基; Het表示可以具有取代基或稠环的杂环基。
摘要:
An azo dye represented by formula (II) as defined in the specification, a process of producing the same and a coloring composition containing the azo dye.