| abstract |
There is provided an arylsulfonic acid compound characterized by being represented by formula (1). (Wherein Ar 1 represents a group represented by the formula (2), wherein R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, a methyl group or a represents a methyl-trifluoromethyl, R 1 ~R at least one of the 5 represents a halogen atom.), Ar 2 represents a group represented by the formula (3) or (4).] |