The invention relates to liquid-crystalline compounds of the formula I
1
in which
R
1
, A
1
, A
2
, Z
1
, Z
2
, a, b, L
1
, L
2
and L
3
are as defined in claim 1, and to liquid-crystalline media comprising at least compound of the formula I and to electro-optical displays containing a liquid-crystalline medium of this type.
本发明涉及公式I1的液晶化合物,其中R1,A1,A2,Z1,Z2,a,b,L1,
L2和L3如权利要求1中所定义,并且涉及至少包含公式I的化合物的液晶介质,以及包含这种类型液晶介质的电光显示器。