申请人:NIPPON SODA CO., LTD.
公开号:EP2161255A1
公开(公告)日:2010-03-10
A phenolic compound represented by the formula (XII):
wherein R1, R2, R3, R4, R6, Y5, a, b, m, p, q, t and u are defined herein, is disclosed. A recording material containing a color developing dye comprising the phenolic compound is also disclosed.
由式 (XII) 代表的酚类化合物:
其中 R1、R2、R3、R4、R6、Y5、a、b、m、p、q、t 和 u 在此定义。本发明还公开了一种含有由酚类化合物组成的显色染料的记录材料。