Collect. Czech. Chem. Commun.
     1976, 41, 2225-2237
  https://doi.org/10.1135/cccc19762225
  
Mass spectra of 12-oxolupane derivatives
J. Protiva, V. Pouzar and A. Vystrčil
First page
 
    
      Collect. Czech. Chem. Commun.
     1976, 41, 2225-2237
  https://doi.org/10.1135/cccc19762225
  
