(2018/09/11)
(2010/02/07)
1,2α-methylene-Δ4,6-pregnadiene-17α-ol-3,20-dione-17-acetate
17α-hydroxy-1α,2α-methylene-4,6-pregnadiene-3,20-dione
1,4,6-triene-3,20-dione-17α-hydroxyprogesterone
1,2α-methylene-6,7α-oxido-Δ4-pregnen-17α-ol-3,20-dione-17-acetate