Electrophotographic photosensitive body

An electrophotographic photoreceptor comprising:

• an electroconductive substrate;
• and
• a photosensitive layer provided on the electroconductive substrate;
• wherein
• the photosensitive layer comprises an organic pigment and
• a polyester resin containing the repeating unit represented by the following formula 5:
• wherein
• a ratio of a/(a+b) is greater than 0.7,
• A is a compound having a structure represented by the following formula (A)
• wherein
• each of Ra1 and Ra2 independently represents a hydrogen atom or a monovalent substituent which may have a substituent, and
• each of n and m is independently an integer from 0 to 4,
• F is a compound having a structure represented by the following formula (F):
• wherein X2 represents one selected from the group consisting of a single bond and a bivalent group, and
• said bivalent group is one selected from the group consisting of a sulfur atom, an oxygen atom, a sulfonyl group, a cycloalkylene group, and —CR19R20—,
• each of R7 and R8 independently represents one selected from the group consisting of a hydrogen atom, an alkyl group, an aryl group, a halogen group, and an alkoxy group, and
• each of k and l independently represents an integer from 1 to 4, wherein
• each of R19 and R20 independently represents one selected from the group consisting of a hydrogen atom, an alkyl group, an aryl group, a halogen and an alkoxy group,
• G is a compound having a structure represented by the following formula (G.):
• wherein X3 represents a bivalent group.