| 摘要 |
An electrophotographic photosensitive member is characterized by having a layer containing at least one hydrazone compound represented by the following formula [I] or [II]: <IMAGE> Formula [I] <IMAGE> Formula [II] wherein R11 and R12 represent hydrogen, halogen, substituted or unsubstituted alkyl, alkoxy, substituted or unsubstituted aryloxy, or substituted amino, provided that at least one of R11 and R12 is substituted amino or alkoxy; R13 and R14 represent substituted or unsubstituted alkyl or substituted or unsubstituted aryl, provided that at least one of R13 and R14 is substituted or unsubstituted aryl, or R13 and R14, together with the nitrogen atom which links them, represent a nitrogen-containing heterocyclic ring; R15, R16, R17, and R18 represent hydrogen, halogen, substituted or unsubstituted alkyl, alkoxy, substituted or unsubstituted aryloxy, or substituted amino; m and n represent 0 or 1; R21 and R22 represent substituted or unsubstituted alkyl, or substituted or unsubstituted aryl, or R21 and R22, together with the nitrogen atom which links them, represent a five- or six-membered ring; R23 and R24 represent substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or R23 and R24, together with the nitrogen atom which links them, represent a five- or six-membered ring; R25 and R26 represent hydrogen, halogen, nitro, substituted or unsubstituted alkyl, alkoxy, substituted or unsubstituted aryloxy, substituted or unsubstituted acyl, or substituted or unsubstituted amino; and R represents divalent organic residue.
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