Selective phosphodiesterase 9A inhibitors as medicaments for improving cognitive processes Grant US-9067945-B2 United States of America 30 Jun 2015
6-cyclylmethyl-and 6-alkylmethyl-substituted pyrazolepyrimidines Grant US-8822479-B2 United States of America 02 Sep 2014
6-arylmethyl substituted pyrazolo[3,4-d]pyrimidines Grant US-8809348-B2 United States of America 19 Aug 2014