IUPAC:(3R,3aR,3bR,9aR,9bR,10S)-1-(furan-3-yl)-3,5,10-trihydroxy-3a,3b,6,6,9a-pentamethyl-2H,3H,3aH,3bH,4H,6H,7H,9aH,9bH,10H,11H-cyclopenta[a]phenanthrene-4,7-dione
IUPAC:(3R,3aR,3bR,9aR,9bR,10S)-1-(furan-3-yl)-3,5,10-trihydroxy-3a,3b,6,6,9a-pentamethyl-2H,3H,3aH,3bH,4H,6H,7H,9aH,9bH,10H,11H-cyclopenta[a]phenanthrene-4,7-dione