CAS-nr.17916-75-5 Kjemisk navn:Estr-5-i-17-one, 3-hydroksy-, (3b)- SynonymerEstr-5-en-17-one, 3-hydroksy-, (3b)-;(3S,8R,9S,10R,13S,14S)-3-hydroksy-13-metyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradekahydro-17H-cyklopenta[en]phenanthren-17-one CBNumber:CB43060652 Molekylformel:C18H26O2 Formelvekt:274.4