Thiadiazolo
                            Order
                            88742-74-9
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,5-oxo-2-(phenylmethyl)-, methyl ester
                            
                        
                        
                            Order
                            88743-31-1
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one,6-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-[2-(phenylthio)ethyl]-
                            
                        
                        
                            Order
                            88742-72-7
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-(diphenylmethyl)-5-oxo-, ethyl ester
                            
                        
                        
                        
                            Order
                            88742-59-0
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,5-oxo-2-[(phenylthio)methyl]-, methyl ester
                            
                        
                        
                            Order
                            88742-64-7
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-[(4-hydroxy-3,5-dimethoxyphenyl)methyl]-5-oxo-, ethyl ester
                            
                        
                        
                            Order
                            88742-60-3
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-[[(4-fluorophenyl)thio]methyl]-5-oxo-, methyl ester
                            
                        
                        
                            Order
                            88742-54-5
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,5-oxo-2-[2-(2-pyridinyl)ethyl]-, methyl ester
                            
                        
                        
                            Order
                            88742-69-2
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,5-oxo-2-[2-(3,4,5-trimethoxyphenyl)ethenyl]-, ethyl ester
                            
                        
                        
                        
                            Order
                            88743-27-5
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one,6-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-(phenoxymethyl)-
                            
                        
                        
                        
                            Order
                            88743-09-3
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one,6-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-(phenylmethyl)-
                            
                        
                        
                            Order
                            88743-18-4
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one,6-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-(2-phenylethyl)-
                            
                        
                        
                        
                            Order
                            88742-50-1
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-[(4-hydroxy-3,5-dimethoxyphenyl)methyl]-5-oxo-, methyl ester
                            
                        
                        
                            Order
                            88742-53-4
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-(2,2-diphenylethyl)-5-oxo-, methyl ester
                            
                        
                        
                            Order
                            117337-19-6
                            
                                Methyl 2-[2-chloro-4-fluoro-5-[(3-oxo-5,6,7,8-tetrahydro-[1,3,4]thiadiazolo[3,4-a]pyridazin-1-ylidene)amino]phenyl]sulfanylacetate
                            
                        
                        
                        
                            Order
                            88743-32-2
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one,6-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-[(phenylsulfonyl)methyl]-
                            
                        
                        
                            Order
                            88742-79-4
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-[(2,5-dimethoxyphenyl)methyl]-5-oxo-, ethyl ester
                            
                        
                        
                            Order
                            88742-66-9
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-(2,2-diphenylethyl)-5-oxo-, ethyl ester
                            
                        
                        
                            Order
                            88742-76-1
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,5-oxo-2-[(3,4,5-trimethoxyphenyl)methyl]-, methyl ester
                            
                        
                        
                            Order
                            88743-28-6
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one,6-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-[(4-fluorophenoxy)methyl]-
                            
                        
                        
                            Order
                            88742-55-6
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,5-oxo-2-(2-phenylethenyl)-, methyl ester
                            
                        
                        
                            Order
                            88742-71-6
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-[[(4-methylphenyl)sulfonyl]methyl]-5-oxo-, ethyl ester
                            
                        
                        
                            Order
                            88742-68-1
                            
                                5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid,2-[2-(4-fluorophenyl)ethenyl]-5-oxo-, ethyl ester