| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ultraviolet absorbent for absorbing long wave ultraviolet rays, having high light-fastness. Ž<P>SOLUTION: There is provided a compound represented by formula (1) wherein Ar<SP>1</SP>represents an aromatic residue of a 5 to 20 membered ring containing which may contain a hetero atom or a substituent, provided that a ring bound to Ar<SP>1</SP>may have a double bond; X<SP>1a</SP>and X<SP>1b</SP>each may represent a hetero atom, and that X<SP>1a</SP>and X<SP>1b</SP>each may contain a substituent; Y<SP>1</SP>represents -SR<SP>1a</SP>or -SO<SB>2</SB>R<SP>1b</SP>; R<SP>1a</SP>represents a hydrogen atom or a monovalent substituent; R<SP>1b</SP>represents a hydrogen atom or a monovalent substituent; n<SP>1</SP>represents an integer of 1 to 4; and m<SP>1</SP>represents an integer of 2 to 10. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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