prov:value
| - liquid crystallline compound, at least one of R1, R2, R3, R4, R5 and R6 is an optically active substituent mentioned in Examplification 1, and n is an integer of 1-18, preferably 3-14. ##STR38## wherein R1, R2, R3, R4, R5 and R6 , are independently a linear or branched alkyl group having the formula Cn H2n +1 or a substituent group selected from the substituent groups mentioned in Examplification
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