A compound represented by formula (I): wherein R1 represents a hydrogen atom, a halogen atom or a C1-C6 alkyl group where a hydrogen atom can be replaced by a halogen atom, L1 represents a C1-C8 fluorinated alkanediyl group, X1 represents *—CO—O—, *—O—CO—, *—O—CO—O— or *—O— where * represents a binding site to L1, and R2 represents a C1-C18 hydrocarbon group in which a methylene group can be replaced by an oxygen atom, a carbonyl group or a sulfonyl group and in which a hydrogen atom can be replaced by a hydroxy group, or in which two hydrogen atoms can be each replaced by an oxygen atom forming one ketal structure together with a C1-C8 alkanediyl group bonded to the oxygen atom and a hydrogen atom in said ketal structure can be replaced by a fluorine atom.