<unk>  (developmental code name W-3395), also known as algestone 16α,17α-acetonide or 16α,17α-isopropylidenedioxyprogesterone, is a progestin which was never marketed. It is the<unk>  cyclic ketal of algestone. Another progestin, algestone acetophenide, in contrast, has been marketed.
Algestone acetonide
Algestone acetophenide
Methandriol propionate
High-dose estrogen
Nandrolone propionate
Androstanolone propionate
Promegestone
Ethinylestradiol sulfonate