abstract |
The present invention provides a triphenylamine derivative represented by the formula (1). [Chemical Formula 1] In Formula 1, R 1, R 2, R 3 , R 4, R 5, R 6, R 7, R 8, R 9, R 10, R 11, R 12, R 13, R 14 and R 15 are, each independently, A hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted alkoxy group. |