The invention relates to 5-({6-amino-2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2/7)-yl]-3-mcthylhcxanoyl}amino)pyrazolo[1,5-c/]pyridinc-3-carboxamide, to processes for its preparation, to its use for the treatment and/or prophylaxis of diseases and to its use for the preparation of medicaments for the treatment and/or prophylaxis of diseases, in particular cardiovascular disorders, preferably thrombotic or thromboembolic disorders, and edemas, and also ophthalmic disorders, and its use to inhibit disturbing plasma kallikrein activity for the conduct of extracorporeal procedures and analytical assays.