IUPAC:(3aS,3bR,5aR,7S,9aS,9bR)-1,7-dihydroxy-3a,3b,6,6,9a-pentamethyl-2H,3H,3aH,3bH,4H,5H,5aH,6H,7H,8H,9H,9aH,9bH-cyclopenta[a]phenanthrene-2,3-dione
IUPAC:(3aS,3bR,5aR,7S,9aS,9bR)-1,7-dihydroxy-3a,3b,6,6,9a-pentamethyl-2H,3H,3aH,3bH,4H,5H,5aH,6H,7H,8H,9H,9aH,9bH-cyclopenta[a]phenanthrene-2,3-dione