| abstract |
A mesomorphic compound represented by the following formula (I): <CHEM> wherein R1 and R2 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of -O-, -S-, -CO-, -COO-, -OCO- and -OCOO-; <CHEM> o |