| CS608574A
            
            
              CS172697B1
                (cs) | 1974-09-04 | 1974-09-04 |  | 
        
          | US05/525,855
            
            
              US3971816A
                (en) | 1973-11-26 | 1974-11-21 | Esters of carboxylic acids formally substituted by sodium or potassium in the alpha-position and the method for their preparation | 
        
          | DE19742455445
            
            
              DE2455445A1
                (de) | 1973-11-26 | 1974-11-22 | Neue mit natrium oder kalium in alpha-stellung substituierte carbonsaeureester und deren herstellungsverfahren | 
        
          | GB5061174A
            
            
              GB1446108A
                (en) | 1973-11-26 | 1974-11-22 | Esters of carboxylic acids formally substituted by sodium or potassium | 
        
          | IT29791/74A
            
            
              IT1030832B
                (it) | 1973-11-26 | 1974-11-25 | Esteri di acidi carbossilici for malmente sostituiti in posizione alfa con sodio d fotassio e processo per la loro preparazione | 
        
          | CA214,510A
            
            
              CA1060036A
                (en) | 1973-11-26 | 1974-11-25 | Esters of carboxylic acids formally substituted by sodium or potassium in the alpha position and method for their preparation | 
        
          | JP49134449A
            
            
              JPS5088031A
                (cs) | 1973-11-26 | 1974-11-25 |  | 
        
          | FR7438697A
            
            
              FR2252345B1
                (cs) | 1973-11-26 | 1974-11-26 |  |