The present application relates to positive allosteric modulators of the muscarinic M2 receptor, especially to novel 7-substituted 1-arylnaphthyridine-3-carboxamides, to processes for preparation thereof, to the use thereof, alone or in combinations, for treatment and/or prevention of diseases, and to the use thereof for production of medicaments for treatment and/or prevention of diseases, in particular for treatment and/or prevention of cardiovascular disorders and/or renal disorders.本申請案關於蕈毒鹼M2受體之正向異位調節劑,尤其關於新穎的7-取代之1-芳基萘啶-3-甲醯胺,關於彼等的製備方法,關於彼等單獨或組合用於治療及/或預防疾病的用途,以及關於彼等用來製造用於治療及/或預防疾病,尤其用於治療及/或預防心血管病症及/或腎臟病症之醫藥品的用途。