首页>
外国专利>
17alpha - acyloxy - 11ss - methyl - 19 - norpregn - 4 - s - - 3,20 of dihydroxydiones and derivatives thereof as well as a method for the preparation of these compounds
17alpha - acyloxy - 11ss - methyl - 19 - norpregn - 4 - s - - 3,20 of dihydroxydiones and derivatives thereof as well as a method for the preparation of these compounds
