SCHMEES, NORBERT N,ROESE, LARS L,VALO, TUULA T,PRELLE, KATJA K,NUBBEMEYER, REINHARD R,KOROLAINEN, HENRIIKKA H,JUKARAINEN, HARRI H,.施梅斯,.勒瑟,.瓦洛,.普雷萊,.努貝邁爾,.科羅萊寧,.尤卡賴寧
申请号：
HK15105985.9
公开号：
HK1205000A
申请日:
2015.06.24
申请国别(地区):
HK
年份:
2015
代理人:
摘要：
The present invention describes intrauterine use of 18-methyl-15&bgr；,16&bgr；-methylene-19-nor-20-spirox-4-en-3-ones of the general formula (1) in contraception and gynaecological treatment, and an intrauterine system comprising compounds of formula 1.
