首页>
外国专利>
process for the production of 17alpha - aethinyl delta 5 (10 to 19) androsten - 17beta - ol - 3 - on and 17alpha - aethynil 19 nor testosterone and its esters
process for the production of 17alpha - aethinyl delta 5 (10 to 19) androsten - 17beta - ol - 3 - on and 17alpha - aethynil 19 nor testosterone and its esters