. "http://www.preferredpharmaceuticals.com" . "http://www.urlpharma.com" . "http://www.pdrx.com" . "Sanofi aventis us llc" . "Preferred Pharmaceuticals Inc." . "Nucare Pharmaceuticals Inc." . "PD-Rx Pharmaceuticals Inc." . "http://www.nucarerx.com" . "United Research Laboratories Inc." .