NMS-P515 is an effective, orally active, and stereospecific PARP-1 inhibitor (Kd: 16 nM and an IC50: 27 nM (in Hela cells)). It has anti-tumor activity.
Tankyrase-IN-2 is a selective, potent and orally active inhibitor of tankyrase with IC50s of 10, 7, and 710 nM for TNKS1, TNKS2 as well as PARP1, respectively