abstract |
The invention relates to liquid-crystalline compounds of formula (I), wherein R<1>, R<2>, A<1>, A<2>, A<3>, A<4>, Z<1>, Z<2>, Z<3>, V, a, b and c have the meanings cited in claim (1), and to liquid-crystalline media containing at least one compound of formula (I) and electrooptical displays containing such a liquid-crystalline medium. |