 
      
       
      
      How many proton NMR signals would you expect for:
How many proton NMR signals would you expect for the following molecule?
 
      
       
      
       
      
       
      
       
      
       
      
       
      
      How many proton NMR signals would you expect for the following molecule?
 
      
       
      
       
      
       
      
      