3-(5-iodo-1-oxo-2,3-dihydro-1H-isoindol-2-yl)piperidine-2,6-dione is a lenalidomide analog that can be used to synthesize PROTAC.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.