The chemical DPQ has a designated molecular formula of C18H26N2O2 and a molecular weight of 302.418 g/mol. Synonyms may include: 3,4-Dihydro-5-(4-(1-piperidinyl)butoxy)-1(2H)-isoquinolinone, UNII-5007H57E2L, 1(2H)-Isoquinolinone, 3,4-dihydro-5-(4-(1-piperidinyl)butoxy)-, Dpq [MI] (ChemID). DPQ has been assigned a MeSH pharmacological action of: Poly(ADP-ribose) Polymerase Inhibitor.