Pyrazolo
                            Order
                            139141-67-6
                            
                                1H-Pyrazolo[3,4-b]pyridine-1-acetic acid,5-[[7-(carboxymethyl)-2,3,6,7-tetrahydro-2,4-dimethyl-6-oxo-3-thioxo-5H-pyrazolo[3,4-b]pyridin-5-ylidene]methyl]-2,3,6,7-tetrahydro-2,4-dimethyl-6-oxo-3-thioxo-
                            
                        
                        
                            Order
                            65620-37-3
                            
                                Benzenesulfonic acid,4-[1,3,6,7-tetrahydro-4-methyl-3,6-dioxo-5-[[1,2,3,6-tetrahydro-4-methyl-3,6-dioxo-2-(4-sulfophenyl)-5H-pyrazolo[3,4-b]pyridin-5-ylidene]methyl]-2H-pyrazolo[3,4-b]pyridin-5-yl]-, dipotassium salt
                            
                        
                        
                            Order
                            74235-70-4
                            
                                1H,5H-Pyrazolo[1,2-a]pyrazole-1,5-dione,2,3,7-trimethyl-6-[2-(3,5,6-trimethyl-1,7-dioxo-1H,7H-pyrazolo[1,2-a]pyrazol-2-yl)ethyl]-
                            
                        
                        
                        
                            Order
                            138328-20-8
                            
                                7H-Pyrazolo[3,4-b]pyridine-7-acetic acid,5-[[7-(carboxymethyl)-3,7-dihydro-6-hydroxy-2,4-dimethyl-3-oxo-2H-pyrazolo[3,4-b]pyridin-5-yl]methylene]-2,3,5,6-tetrahydro-2,4-dimethyl-3,6-dioxo-
                            
                        
                        
                        
                            Order
                            63195-23-3
                            
                                4-((3,4-DIMETHYL-1H-PYRAZOLO[3,4-D]PYRIDAZIN-7-YL)METHYL)PHENYL METHYL ETHER; 7-(4-METHOXYBENZYL)-3,4-DIMETHYL-1H-PYRAZOLO[3,4-D]PYRIDAZINE
                            
                        
                        
                        
                            Order
                            139777-41-6
                            
                                Benzenesulfonic acid,4-[5-[5-[3,7-dihydro-6-hydroxy-4,7-dimethyl-3-oxo-2-(4-sulfophenyl)-2H-pyrazolo[3,4-b]pyridin-5-yl]-2,4-pentadienylidene]-3,5,6,7-tetrahydro-4,7-dimethyl-3,6-dioxo-2H-pyrazolo[3,4-b]pyridin-2-yl]-, dipotassium salt
                            
                        
                        
                            Order
                            882252-38-2
                            
                                1-(1,1-dioxidotetrahydrothien-3-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyriMidin-4-one 3-{4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyriMidin-1-yl}-1$l {6}-thiolane-1,1-dione
                            
                        
                        
                            Order
                            136266-66-5
                            
                                Benzoic acid,4-[5-[[2-(4-carboxyphenyl)-4-ethyl-3,7-dihydro-6-hydroxy-7-methyl-3-oxo-2H-pyrazolo[3,4-b]pyridin-5-yl]methylene]-4-ethyl-3,5,6,7-tetrahydro-7-methyl-3,6-dioxo-2H-pyrazolo[3,4-b]pyridin-2-yl]-
                            
                        
                        
                        
                            Order
                            139438-57-6
                            
                                3H-Pyrazolo[3,4-d]pyrimidin-3-one, 1,2-dihydro-6-phenyl-,(6-phenyl-1H-pyrazolo[3,4-d]pyrimidin-3-yl)hydrazone
                            
                        
                        
                            Order
                            188112-92-7
                            
                                PHENOL,4-[3-[5-AMINO-2-(FURAN-2-YL)-7H-PYRAZOLO[4,3-E][1,2,4]TRIAZOLO[1,5-C]PYRIMIDIN-7-YL]PROPYL]-5-AMINO-7-[3-(4-HYDROXYPHENYL)PROPYL]-2-(2-FURYL)PYRAZOLO[4,3-E]-1,2,4-TRIAZOLO[1,5-C]PYRIMIDINE;DESMETHYL-SCH442416
                            
                        
                        
                        
                        
                            Order
                            140194-62-3
                            
                                Benzenesulfonic acid,4-[3,7-dihydro-4,7-dimethyl-3-oxo-5-[3-[2,3,6,7-tetrahydro-4,7-dimethyl-3-oxo-2-(4-sulfophenyl)-5H-pyrazolo[3,4-b]pyridin-5-ylidene]-1-propenyl]-2H-pyrazolo[3,4-b]pyridin-2-yl]-, dipotassium salt
                            
                        
                        
                            Order
                            5399-98-4
                            
                                N,N,3-TRIMETHYL-1H-PYRAZOLO[4,3-D]PYRIMIDIN-7-AMINE; N,N-DIMETHYL-N-(3-METHYL-1H-PYRAZOLO[4,3-D]PYRIMIDIN-7-YL)AMINE
                            
                        
                        
                        
                        
                        
                            Order
                            134724-71-3
                            
                                2H-Pyrazolo[3,4-b]pyridine-4-carboxylic acid,5-[3-[4-carboxy-3,7-dihydro-6-hydroxy-3-oxo-7-(2-sulfoethyl)-2-[(2-sulfophenyl)methyl]-2H-pyrazolo[3,4-b]pyridin-5-yl]-2-propenylidene]-3,5,6,7-tetrahydro-3,6-dioxo-7-(2-sulfoethyl)-2-[(2-sulfophenyl)methyl]-,h
                            
                        
                        
                            Order
                            141290-66-6
                            
                                1,4-Benzenedisulfonic acid,2-[5-[5-[2-(2,5-disulfophenyl)-3,7-dihydro-6-hydroxy-4,7-dimethyl-3-oxo-2H-pyrazolo[3,4-b]pyridin-5-yl]-2,4-pentadienylidene]-3,5,6,7-tetrahydro-4,7-dimethyl-3,6-dioxo-2H-pyrazolo[3,4-b]pyridin-2-yl]-, tetrapotassiumsalt
                            
                        
                        
                        
                        
                        
                        
                        
                            Order
                            76982-40-6
                            
                                3-METHYL-1-(2-PYRIDINYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-AMINE; 3-METHYL-1-(2-PYRIDINYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-YLAMINE