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
6-cyclylmethyl-and 6-alkylmethyl-substituted pyrazolepyrimidines Grant US-8642605-B2 United States of America 04 Feb 2014
6-cyclylmethyl- and 6-alkylmethyl pyrazolo[3,4-D]pyrimidines, methods for their… Grant US-8044060-B2 United States of America 25 Oct 2011
Substituted pyrazolo[3,4-d]pyrimidin-4-one compounds as phosphodiesterase inhibitors Grant US-8039477-B2 United States of America 18 Oct 2011
Selective phosphodiesterase 9A inhibitors as medicaments for improving cognitive processes Grant US-7737156-B2 United States of America 15 Jun 2010
6-arylamino-5-cyano-4-pyrimidinones as pde9a inhibitors Grant US-7488733-B2 United States of America 10 Feb 2009