| abstract |
The invention relates to rylene derivatives of the general formula (I), in which: R represents hydrogen or optionally substituted C1-C30 alkyl, aryl or heteroaryl; R<1> represents hydrogen or bromine; R<2> represents hydrogen or C1-C6 alkyl; R<3> represents hydrogen, C1-C18 alkyl or optionally substituted aryl or heteroaryl; and n represents 2 or 3. |