| http://www.w3.org/ns/prov#value | - Liquid crystal composition which comprises at least one liquid crystalline compound having an optically active ??-lactone ring of the formula (A): ##STR1## wherein R1 is a group selected from the group consisting of ##STR2## n and e are each independently 0 or 1; R3 is an alkyl group having 1 to 15 carbon atoms; X and Y are each independently a group selected from the group consisting of hydrogen
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