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US07255811B2 Tolane derivatives and liquid crystalline medium 失效
托兰衍生物和液晶介质

Tolane derivatives and liquid crystalline medium
摘要:
Tolane compounds of the formula I wherein R1, R2, L1, L2 and L3 are as defined herein, are described. Further described are liquid-crystalline media comprising at least one tolane compound of formula I as well as liquid-crystal display elements containing such a liquid-crystalline medium.
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