FUSED HETEROCYCLIC COMPOUND AND COMPOSITION

摘要

Provided are a fused heterocyclic compound represented by formula (I), and a composition which comprises an organic material (a) and at least one kind of said fused heterocyclic compound (b). In formula (I), Y represents a single chemical bond, -S(=O)- or -SO2-; Ra and Rb represent an optionally substituted C1-30 organic group; Za and Zb represent a single chemical bond or -SO2-; X1 and X2 represent a hydrogen atom or the like; and n and m independently represent an integer of 0 to 2, provided that one of n and m is not 0.