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US4439340A Cyano-mono-or diphenylbicyclohexane derivatives 失效
氰基单或二苯基双环己烷衍生物

Cyano-mono-or diphenylbicyclohexane derivatives
摘要:
Liquid crystal compounds used for liquid crystal display elements are provided, which exhibit a liquid crystal phase within a broad temperature range and also have a low viscosity. The compounds are cyano-mono- or diphenylbicyclohexane derivatives expressed by the general formula ##STR1## wherein R represents hydrogen or an alkyl group of 1 to 15 carbon atoms and n is 1 or 2.
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