Disclosed herein are analogs of tetrahydrobiopterin, compositions containing the same, and methods of treating an individual suffering from a condition responsive to tetrahydrobiopterin by administration of the analog. These analogs are contemplated for use wherever tetrahydrobiopterin is currently used...http://www.google.es/patents/US7601717?utm_source=gb-gplus-sharePatente US7601717 - Pterin analogs
