Patent ID: 8134033

Claim:
A compound represented by the following formula (1): wherein the symbols in the formula have the following meanings: Z A , Z B , Z C , Z D , and Z E : each of them is independently —CH(—OC(O)CT═CH 2 )—, —CF(—CH 2 OC(O)CT═CH 2 )— or —CR A R B —, provided that at least one of Z A to Z E is —CH(—OC(O)CT═CH 2 )— or —CF(—CH 2 OC(O)CT═CH 2 )—, and at least one of Z A to Z E is —CR A R B — (wherein each of R A and R B is independently a fluorine atom, a C 1-16 perfluoroalkyl group or a C 1-16 perfluoroalkyl group containing an etheric oxygen atom, T is a hydrogen atom, a fluorine atom, a C 1-3 alkyl group or a C 1-3 fluoroalkyl group); W A and W B : each of them is independently a fluorine atom, a C 1-16 perfluoroalkyl group or a C 1-16 perfluoroalkyl group containing an etheric oxygen atom; and n: 0, 1 or 2.