Conformation of ring A in some 2-beta-methyl- and 2-beta-acetoxy-19-nortestosterones.
D055598:Chemical Phenomena; D002621:Chemistry; D002776:Cholestanes; D004962:Estranes; D009277:Nandrolone; D013057:Spectrum Analysis
D002776:Cholestanes; D004962:Estranes; D009277:Nandrolone