The present invention relates to novel benzimidazolone derivatives of the general formula (I)in which the substituents R1, R2, R3, A1, A2, and B are as defined in claim 1, medicaments comprising these, and the use thereof for the prophylaxis and/or treatment of vasopressin-dependent diseases.本發明係關於新穎通式(I)苯并咪唑酮衍生物其中取代基R1,R2,R3,A1,A2及B均如請求項1中之定義,包含此等之醫藥品,及其對於預防及/或治療血管加壓素依賴性疾病之用途。