41. Delta 8, 9 is particularly essential to Premarin 's overall effectiveness, the company said. 42. The leading estrogen replacement product is made by American Home Products Corp . and sold as Premarin . 43. American Home mounted a political as well as a scientific case for maintaining its monopoly on Premarin . 44. Duramed spent more than $ 30 million trying to bring a synthetic version of Premarin to market. 45. Premarin , an estrogen replacement, is the most widely used prescription drug in the United States.46. And so it goes, with Narcan and Norcuron, nelfinavir and nevirapine, Premarin and Primaxin. 47. She added that the company had committed $ 200 million to research on possible other uses of Premarin . 48. The Madison, New Jersey, company sells Premarin , the world's largest selling estrogen product. 49. Premarin is sometimes used to ward off osteoporosis and is widely used for discomforting hot flashes after menopause.50. Although Premarin isn't patent protected, there aren't any generic brands on the market.
