FDAnews
www.fdanews.com/articles/142385-sun-pharma-gets-fda-approval-for-generic-ultram-er-tablets

Sun Pharma Gets FDA Approval for Generic Ultram ER Tablets

December 9, 2011
Sun Pharmaceutical said it has received approval from the FDA to market a generic version of Ultram ER tablets, a pain relieving drug.
Hindustan Times