IUPAC:(1R,2S,3aS,3bS,4R,5S,5aR,9S,9aS,9bS,11aR)-4,9-bis(acetyloxy)-1,2,5a,11a-tetrahydroxy-3a,6,6,9a-tetramethyl-11-oxo-hexadecahydrophenanthro[1,2-b]furan-5-yl acetate
IUPAC:(1R,2S,3aS,3bS,4R,5S,5aR,9S,9aS,9bS,11aR)-4,9-bis(acetyloxy)-1,2,5a,11a-tetrahydroxy-3a,6,6,9a-tetramethyl-11-oxo-hexadecahydrophenanthro[1,2-b]furan-5-yl acetate