abstract |
A compound is represented by a formula (1) below. n In the formula (1), n is 1 or 2. Ar 1 is represented by a formula (2) below. Ar 2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted heterocyclic group having 1 to 20 ring atoms. Ar 3 is represented by a formula (3) below. |