13 ethyl 17 hydroxy 18 19 dinor 17alpha pregn 4 en 20 yn 3 one, 8r 9s 10r 13s 14s 17r 13 ethyl 17 ethynyl 17 hydroxy 1 2 6 7 8 9 10 11 12 13 14 15 16 17 tetradecahydrocyclopenta a phenanthren 3 one, 13 beta ethyl 17alpha ethynyl 17beta hydroxygon 4 en 3 one
For the treatment of menopausal and postmenopausal disorders and alone or in combination with other hormones as an oral contraceptive.