A liquid crystal compound containing an optically active group, suitable for being used for display mode utilizing ferroelectric liquid crystals, and a composition containing the same are provided, which compound is an optically active pyridazine compound expressed by the general formula ##STR1## wherein X represents an alkyl group or an alkoxy group each having 1 to 18 carbon atoms and R* represents an optically active group.
提供一种含有光学活性基团的液晶化合物,适用于利用
铁电液晶的显示模式,并提供一种含有该化合物的组合物,该化合物是由通式##STR1##表示的光学活性
吡啶二氮化合物,其中X代表具有1至18个碳原子的烷基基团或烷氧基团,R*代表光学活性基团。