An aniline derivative characterized by having formula wherein R 1 is a group of formula R 2 to R 55 are each independently a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a carboxyl group, an alkyl group of 1 to 20 carbon atoms which may be substituted with Z 1, an alkenyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an alkynyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an aryl group of 6 to 20 carbon atoms which may be substituted with Z 2, a heteroaryl group of 2 to 20 carbon atoms which may be substituted with Z 2, -C Y 1, -OY 2, -SY 3, -C OY 4, -OC Y 5,-C NHY 6 or -C NY 7 Y 8; Y 1 to Y 8 are each independently an alkyl group of 1 to 20 carbon atoms which may be substituted with Z 1, an alkenyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an alkynyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an aryl group of 6 to 20 carbon atoms which may be substituted with Z 2, or a heteroaryl group of 2 to 20 carbon atoms which may be substituted with Z 2; Z 1 is a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a sulfonic acid group, a carboxyl group, an aryl group of 6 to 20 carbon atoms which may be substituted with Z 3, or a heteroaryl group of 2 to 20 carbon atoms which may be substituted with Z 3; Z 2 is a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a sulfonic acid group, a carboxyl group, an alkyl group of 1 to 20 carbon atoms which may be substituted with Z 3, an alkenyl group of 2 to 20 carbon atoms which may be substituted with Z 3, or an alkynyl group of 2 to 20 carbon atoms which may be substituted with Z 3; and Z 3 is a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a sulfonic acid group or a carboxyl group wherein said alkyl, alkenyl, and alkynyl groups may be linear, branched, or cyclic. R 2 to R 55 are each independently a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a carboxyl group, an alkyl group of 1 to 20 carbon atoms which may be substituted with Z 1, an alkenyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an alkynyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an aryl group of 6 to 20 carbon atoms which may be substituted with Z 2, a heteroaryl group of 2 to 20 carbon atoms which may be substituted with Z 2, -C Y 1, -OY 2, -SY 3, -C OY 4, -OC Y 5,-C NHY 6 or -C NY 7 Y 8; Y 1 to Y 8 are each independently an alkyl group of 1 to 20 carbon atoms which may be substituted with Z 1, an alkenyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an alkynyl group of 2 to 20 carbon atoms which may be substituted with Z 1, an aryl group of 6 to 20 carbon atoms which may be substituted with Z 2, or a heteroaryl group of 2 to 20 carbon atoms which may be substituted with Z 2; Z 1 is a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a sulfonic acid group, a carboxyl group, an aryl group of 6 to 20 carbon atoms which may be substituted with Z 3, or a heteroaryl group of 2 to 20 carbon atoms which may be substituted with Z 3; Z 2 is a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a sulfonic acid group, a carboxyl group, an alkyl group of 1 to 20 carbon atoms which may be substituted with Z 3, an alkenyl group of 2 to 20 carbon atoms which may be substituted with Z 3, or an alkynyl group of 2 to 20 carbon atoms which may be substituted with Z 3; and Z 3 is a halogen atom, a nitro group, a cyano group, an aldehyde group, a hydroxyl group, a thiol group, a sulfonic acid group or a carboxyl group wherein said alkyl, alkenyl, and alkynyl groups may be linear, branched, or cyclic.