| Synonyms: | stypoldione;(13α)-14,17-Epoxy-3β-hydroxy-4,4,8-trimethyl-16,24-cyclo-13,17-seco-5α-chola-16,20(22)-diene-23,24-dione;Spiro[benzofuran-2(3H),1'(2'H)-phenanthrene]-4,5-dione, 3',4',4'a,4'b,5',6',7',8',8'a,9',10',10'a-dodecahydro-7'-hydroxy-2',4'b,7,8',8',10'a-hexamethyl-, (1'S,2'S,4'aR,4'bS,7'S,8'aR,10'aR)- |