3,4-Difluorobenzonitrile  
                              Ethyl nicotinate  
                              Diphenyl chlorophosphate(DPCP)  
                              Monophenyl dichlorophsphate(MPCP)  
                              4,4'-Sulfonyldiphenol  
                              Dihydroxydiphenylsulfone  
                          Products
                          Products
                           
                          NO. Product CAS No.
                          HD02 3,4-Difluorobenzonitrile 64248-62-0
                          HD03-1 Ethyl nicotinoate 614-18-6
                          HD04 Diphenyl chlorophosphate(DPCP) 2524-64-3
                          HD04-1 Monophenyl dichlorophsphate(MPCP) 770-12-7
                            4,4'-Sulfonyldiphenol 80-09-1
                            Dihydroxydiphenylsulfone 5397-34-2
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