Standards; Pharmaceutical/API Drug Impurities/Metabolites; Steroids;
應用:
17α-?Cyanomethylestra-?1,?3,?5(10)?-?triene-?3,?17β-?diol is an impurity of Dienogest (D441870), a derivative of 19-Nortestosterone. In combination with estrogen as oral contraceptive. Progestogen.