(S)-16a,17a-((1-phenylethylidene)-dioxy)-pregn-4-ene-3,20-dione; 16a,17a-[1'-phenyl(ethylenedioxyl)]pregnene-4-ene-3,20-dione
(S)-16a,17a-((1-phenylethylidene)-dioxy)-pregn-4-ene-3,20-dione; 16a,17a-[1'-phenyl(ethylenedioxyl)]pregnene-4-ene-3,20-dione