Piperazine dihydrochloride
                            Order
                            149986-20-9
                            
                                2,2'-{piperazine-1,4-diylbis[(1E)-1-nitrosoprop-1-ene-1,2-diyl]}dihydrazinecarboxamide dihydrochloride
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            1263379-09-4
                            
                                4-(2-Methylamino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester dihydrochloride