| abstract |
A compound represented by formula (1), a liquid crystal composition, and a liquid crystal display element.nn n n n n n n n n n In the formula, for example, ring A 1 and ring A 4 are phenylene or cyclohexyl; Z 1 , Z 2 , Z 3 and Z 4 are single bonds or alkylene groups having 1 to 6 carbon atoms; L 1 is single S and t are 0; P 1 , P 2 , P 3 and P 4 are polymerizable groups. |