A compound represented by the formula (I).
wherein R1 represents a hydrogen atom, a halogen atom or a C1 to C6 alkyl group that may have a halogen atom; R2 represents a C1 to C12 fluorinated saturated hydrocarbon group; W1 represents a C5 to C18 divalent alicyclic hydrocarbon group; A1 and A2 independently represents a single bond or *—A3—X1—(A4—X2)a—; A3 and A4 independently represents a C1 to C6 alkanediyl group; X1 and X2 independently represents —O—, —CO—O—or —O—CO—; a represents 0 or 1; and * represents a bond to an oxygen atom.
式 (I) 所代表的化合物。
其中 R1 代表氢原子、卤素原子或可能带有卤素原子的 C1 至 C6 烷基;R2 代表 C1 至 C12
氟化饱和烃基;W1 代表 C5 至 C18 二价脂
环烃基;A1和A2独立地代表单键或*-A3-X1-(A4-X2)a-;A3和A4独立地代表C1至C6烷二基;X1和X2独立地代表-O-、-CO-O-或-O-CO-;a代表0或1;以及*代表与氧原子的键。