| abstract |
Disclosed are compounds of formula (Ia) or (Ib) wherein A represents a saturated or mono-unsaturated 4 to 8 membered heterocyclic ring containing one to two nitrogen atoms and their tautomeric forms, possible enantiomeric or diastereoisomeric forms, as well as possible physiologically acceptable salts and their use in the treatment of diseases associated with pathologically elevated PARP activity. |