https://investor.ironwoodpharma.com/press-releases/press-release-details/2017/Ironwood-Pharmaceuticals-Announces-FDA-Approval-of-DUZALLO-lesinurad-and-allopurinol-for-the-Treatment-of-Hyperuricemia-in-Patients-with-Uncontrolled-Gout/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2017/Ironwood-Pharmaceuticals-Announces-FDA-Approval-of-DUZALLO-lesinurad-and-allopurinol-for-the-Treatment-of-Hyperuricemia-in-Patients-with-Uncontrolled-Gout/default.aspx