19-Hydroxy-androst-4-ene-3,17-dione CAS 510-64-5

Siv: Nruab nrab ntawm norethisterone thiab ethinylestradiol.Txoj kev tsim khoom siv acetic acid pregnenolone (5,16-pregnenol-3) β- Alcohol-20-one 3-acetate) raws li raw khoom, los ntawm hydroxylamine oximation ntawm hydrochloric acid, rearrangement (dehydroepiandrosterone ntawm acetic acid tau los ntawm Chemicalbook), hydrolysis ( HCl), ntxiv, epoxidation, hydrolysis (tshem tawm ntawm 3-acetyl), oxidation (3-hydroxy), tshem tawm (tshem tawm HCl), txo qis, lub nplhaib qhib, thiab lwm yam.