Synonyms: 16,24-Cyclo-13,17-secochola-16,20(22),23-triene-3,23,24-triol,14,17-epoxy-4,4,8-trimethyl-, (3b,5a,13a)-; (-)-Stypotriol;Spiro[benzofuran-2(3H),1'(2'H)-phenanthrene]-4,5,7'-triol,3',4',4'a,4'b,5',6',7',8',8'a,9',10',10'a-dodecahydro-2',4'b,7,8',8',10'a-hexamethyl-,[1'S-(1'a,2'a,4'aa,4'bb,7'b,8'aa,10'ab)]-; Stypotriol