containing lactone rings, e.g. oxandrolone, bufalin

Full Title

Medicinal preparations containing organic active ingredients > Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids > containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin (digitoxin ) > containing lactone rings, e.g. oxandrolone, bufalin