| —— | 
                                        2-<1-(p-Chlor-phenyl)-2-phenyl-3,5-dioxo-pyrazolidinyl-(4)>-1,3,4-thiadiazol | 
                                        22944-55-4 | 
                                        C17H11ClN4O2S | 
                                        370.819 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-Methyl-2-<1-(p-chlor-phenyl)-2-phenyl-3,5-dioxo-pyrazolidinyl-(4)>-1,3,4-thiadiazol | 
                                        21489-66-7 | 
                                        C18H13ClN4O2S | 
                                        384.846 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-(4-chloro-phenyl)-4-(5-ethyl-[1,3,4]thiadiazol-2-yl)-2-phenyl-pyrazolidine-3,5-dione | 
                                        23195-69-9 | 
                                        C19H15ClN4O2S | 
                                        398.873 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-Chlormethyl-2-<1-(p-chlor-phenyl)-2-phenyl-3,5-dioxo-pyrazolidinyl-(4)>-1,3,4-thiadiazol | 
                                        21489-65-6 | 
                                        C18H12Cl2N4O2S | 
                                        419.291 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-Dichlormethyl-2-<1-p-chlor-phenyl>-2-phenyl-3,5-dioxo-pyrazolidinyl-(4)>-1,3,4-thiadiazol | 
                                        22944-57-6 | 
                                        C18H11Cl3N4O2S | 
                                        453.736 |