| 摘要 |
A compound represented by the following formula (1):
wherein in the formula (1), Ar 1 and Ar 2 are independently a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or a substituted or unsubstituted alkyl group; X 1 to X 4 and X 13 to X 16 are independently CR 1 , CH or N; one of X 5 to X 8 is a carbon atom bonding to one of X 9 to X 12 , and at least one of X 5 to X 8 that is adjacent to the carbon atom bonding to one of X 9 to X 12 is CR 2 ; one of X 9 to X 12 is a carbon atom bonding to one of X 5 to X 8 , and X 9 to X 12 that is adjacent to the carbon atom bonding to one of X 5 to X 8 is CH or N; and the remaining X 5 to X 8 and the remaining X 9 to X 12 are CR 1 , CH or N. |
