Use of 18 Methyl 14B, 16B - methylene - 19 nor espirox 20 - - 4 - - 3 - onas in the treatment of menorrhagia and intrauterine Systems include 18 Methyl 14B, 16B - methylene - 19 nor espirox 20 - - 4 - - 3 - onas to the treatment of uterine Bleeding Disorders

摘要

18-methyl-15,16-methyl-19-nor-20-helix-4-en-3-onas general formula (1), wherein R6 and R7 are hydrogen or a methyl group for the treatment of intrauterine bleeding and the use of IUDs, including a compound of Formula 1.