19-Norandrostenedione CAS 734-32-7

Whakamahinga: He takawaenga o te norethisterone, te testosterone propionate, me te norethinyl propionate. Ka whakakōkīhia te androsterol-4-en-19-methanol-3,17-dione ki te waikawa whanariki kukū chromium anhydride hei whakaputa i te thiosterol-4-en-19-carboxy-3,17-dione, kātahi ka wetewetehia te carboxylation ki roto i te pyridine i raro i te hauota hei whiwhi i te hua.