Drospirenone

Chemical Name: 6β,7β,15β,16β-Dimethylene-3-oxo-4-androstene-[17(β-1’)-spiro-5’]perhydrofuran-2’-one; 3-Oxo-6β,7β:15β,16β-dimethylene-17α-pregn-4-en-21,17-carbolactone; 1,2-Dihydrospirorenone; Dihydrospirorenone; Drospirenona;