申请人:Kato Takashi
公开号:US20070134440A1
公开(公告)日:2007-06-14
The invention relates to compounds represented by Formula (1):
wherein R
a
is alkyl or the like; R
b
is hydrogen, alkyl or the like; A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond, alkylene or the like; Y is a single bond, alkylene or the like; and m and n are each an integer of approximately 0 to approximately 5.