The present application relates to substituted 4-arylimidazol-2-ones and 5-aryl-1,2,4-triazolones of theformula (I):(see formula I)in which A, L1, L2, R1, R2 and R3 are defined herein, processes for theproduction thereof, the usethereof alone or in combinations for the treatment and/or prevention ofdiseases and the use thereoffor the production of medicaments for the treatment and/or prevention ofdiseases, in particular for thetreatment and/or prevention of cardiovascular diseases.