| http://www.w3.org/ns/prov#value | - Examples of the mesomorphic compound may include those represented by the following structural formulae. ##STR3## wherein R1 denotes a linear or branched alkyl group having 1-18 carbon atoms; X1 denotes a single bond, --O--, --COO-- or --OCO--; X2 denotes a single bond, --OCH2 --, --COO-- or --OCO--; n is an integer of 3-16; and A1 denotes ##STR4## wherein R2 and R3 independently denote a linear o
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