IUPAC:(1R,3aS,3bR,5aS,9aR,9bS,11aS)-1-[(2R,5R)-5-ethyl-5-hydroxy-6-methylhept-6-en-2-yl]-9a-methyl-7-oxo-1H,2H,3H,3aH,3bH,4H,5H,5aH,6H,7H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-11a-carboxylic acid
IUPAC:(1R,3aS,3bR,5aS,9aR,9bS,11aS)-1-[(2R,5R)-5-ethyl-5-hydroxy-6-methylhept-6-en-2-yl]-9a-methyl-7-oxo-1H,2H,3H,3aH,3bH,4H,5H,5aH,6H,7H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-11a-carboxylic acid