发明授权
US4816179A Dihalogeno-aromatic compound 失效
二卤代芳香族化合物

Dihalogeno-aromatic compound
摘要:
A novel liquid crystal compound suitable to use as a component of liquid crystal dielectrics and a liquid crystal composition containing the same are provided, which compound is a dihalogeno-aromatic compound expressed by the formula ##STR1## wherein R is alkyl or alkoxy of 1.about.12 C or alkoxymethyl of 2.about.12 C; X and Y each are F; and A is either one divalent group selected from the group consisting of ##STR2##
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