4L6Z:
reference: Chemical probes to study ADP-ribosylation: synthesis and biochemical evaluation of inhibitors of the human ADP-ribosyltransferase ARTD3/PARP3., Lindgren AE, Karlberg T, Ekblad T, Spjut S, Thorsell AG, Andersson CD, Nhan TT, Hellsten V, Weigelt J, Linusson A, Schuler H, Elofsson M, J Med Chem. 2013 Dec 12;56(23):9556-68. doi: 10.1021/jm401394u. Epub 2013 Nov 22. PMID: 24188023

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