Patent ID: 8691491

Claim:
A fluorine-containing compound represented by formula 1, wherein R 1 is a methyl group or trifluoromethyl group, R 2 and R 3 each independently represent a hydrogen atom or a group containing (a) a hydrocarbon group having a straight-chain, branched or ring form and having a carbon atom number of 1-25, or (b) an aromatic hydrocarbon group, the hydrocarbon group and the aromatic hydrocarbon group each independently and optionally containing at least one of a fluorine atom, an oxygen atom and a carbonyl bond, Z represents 0 or 1, and when at least one of R 1 , R 2 and R 3 is in a plural number, the at least one of R 1 , R 2 and R 3 may be identical with or different from each other.