Compound status: 
Historic compound: While this compound has been used to interrogate specific protein targets, it is not a chemical probe and should not be used in assays that depend on a potent and selective modulator of the protein.
Note about activity: 

Non-specific compound: Intended target=PARP family; Number of targets=~116; ChEMBL (https://www.ebi.ac.uk/chembl/compound/inspect/CHEMBL81977)

Probe Information