IUPAC:methyl (3aR,3bS,5aS,9aR,9bS,11aR)-1-hydroxy-2,3b,6,6,9a,11,11a-heptamethyl-3,7-dioxo-3H,3aH,3bH,4H,5H,5aH,6H,7H,8H,9H,9aH,9bH,11aH-cyclopenta[a]phenanthrene-3a-carboxylate
IUPAC:methyl (3aR,3bS,5aS,9aR,9bS,11aR)-1-hydroxy-2,3b,6,6,9a,11,11a-heptamethyl-3,7-dioxo-3H,3aH,3bH,4H,5H,5aH,6H,7H,8H,9H,9aH,9bH,11aH-cyclopenta[a]phenanthrene-3a-carboxylate