发明授权
US5242618A Di- and trifluorotolans 失效
二氟和三氟甲苯

Di- and trifluorotolans
摘要:
Di- and trifluorotolans of the formula I. ##STR1## in which R.sup.1 is alkyl having up to 9 carbon atoms, andL is H or Fare suitable as components of liquid-crystalline media.
信息查询
0/0