Pharmaceutical Indian drugmaker Dr Reddy’s Laboratories has entered into a definitive asset purchase agreement with Upsher-Smith Laboratories, to sell its US and select territory rights for Zembrace Symtouch (sumatriptan injection) 3mg and Tosymra (sumatriptan nasal spray) 10mg, which are commercialized through its wholly-owned subsidiary, Promius Pharma, LLC. 14 June 2019