Synonyms
3,20-Bis(ethylenedioxy)pregna-5,7-diene
10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]
10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,9,10,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]