| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ultraviolet absorbent of high light-fastness, maintaining the capacity of absorbing long-wave ultraviolet light that cannot be covered by a prior art absorbent, heretofore. Ž<P>SOLUTION: There is provided a compound represented by formula (1) [in the formula, Ar<SP>1</SP>represents a di-to deca-valent aromatic residue of a 5 to 20 membered ring provided that the aromatic residue may contain a hetero atom, X<SP>a</SP>and X<SP>b</SP>each represents a hetero atom, and n<SP>1</SP>represents an integer of 2 to 10]. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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