abstract |
The present invention relates to triphenylamine derivatives represented by the general formula (1).n n n Formula 1n n n n n n n n In the above formula (1)n n n R 1 , R 2 , R 3 , R 4 , R 5 and R 6 each represent a hydrogen atom, a lower alkyl group, an alkoxy group, a halogen atom or an optionally substituted aryl,n n n m and n represent 0 or 1, respectively. |