国产精品毛片天天看片,精品一区二区日本高清,一级片一级片一级片一级片,k频道导航入口国产精品,亚洲欧美中文字幕专区

<tt id="9q5rq"><dl id="9q5rq"></dl></tt>
    • 
<fieldset id="9q5rq"></fieldset>
  • <td id="9q5rq"><form id="9q5rq"></form></td>
  • 
<sup id="9q5rq"></sup>
      


      
  
      
    
    
  
      

      


      
  
      
    
      
      
      
  
      
    
      PSI 7977
      
    
      
    
    
      
  
      
    Name
    CAS No
    Formula
    Order
  
      
  
      
    PSI 7977
    1190307-88-0
    
    
  
      
  

      


      Associated intermediate
      
    
    
      
  
      
    Name
    CAS No
    Formula
    Order
  
      

      
    Cytidine, N-benzoyl-2'-deoxy-2'-fluoro-2'-methyl-, 3',5'-dibenzoate,(2'R)-
    817204-32-3
    Cytidine, N-benzoyl-2'-deoxy-2...
    
  
      
    2'-deoxy-2'-fluoro-2'-C-methyluridine
    863329-66-2
    2'-deoxy-2'-fluoro-2'-C-methyl