英文别名
17-Hydroxy-3-oxo-19-nor-5β,17βH-pregnan-21-carbonsaeure-lacton;17-Hydroxy-3-oxo-19-nor-5beta,17alpha-pregnane-21-carboxylic acid, gamma-lactone;(5R,8R,9R,10S,13S,14S,17R)-13-methylspiro[1,2,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione