| 1 | 133989-65-8 | Furosemide Impurity 16 | Furosemide Impurity 16 | C12H12N2O6S
| 杂质对照品;171-呋塞米;化药杂质-呋塞米 | |
| 2 | | 1-(2-SULFOPHENYL)-3-CARBETHOXY-5-PYRAZOLON, | 1-(2-SULFOPHENYL)-3-CARBETHOXY-5-PYRAZOLON, | C12H12N2O6S
| | |
| 3 | | 1-(4-Sulphophenyl)-3-Carbethoxy-5-Pyrazolone | 1-(4-Sulphophenyl)-3-Carbethoxy-5-Pyrazolone | C12H12N2O6S
| | |
| 4 | 6957-20-6 | | Maleanilic acid,4'-(acetylsulfamoyl)- (6CI,8CI) | C12H12N2O6S
| | |
| 5 | 667881-72-3 | tetrahydro-2H-thiopyran-4-yl 3,5-dinitrobenzoate | tetrahydro-2H-thiopyran-4-yl 3,5-dinitrobenzoate | C12H12N2O6S
| | |
| 6 | | 1-(4'-磺酸苯基)-3-乙氧羰基-5-吡唑酮 | 1-(4'-Sulfophenyl)3-(ethoxycarbonyl)-5-pyrazolone | C12H12N2O6S
| | |
| 7 | 356567-68-5 | 3-(4-ACETYLSULFAMOYL-PHENYLCARBAMOYL)-ACRYLIC ACID | 3-(4-ACETYLSULFAMOYL-PHENYLCARBAMOYL)-ACRYLIC ACID | C12H12N2O6S
| | |
| 8 | | 4-methoxy-3-[(3-methyl-1,2-oxazol-5-yl)sulfamoyl]benzoic acid | 4-methoxy-3-[(3-methyl-1,2-oxazol-5-yl)sulfamoyl]benzoic acid | C12H12N2O6S
| | |
| 9 | | (E)-4-{4-[(acetylamino)sulfonyl]anilino}-4-oxo-2-butenoic acid | (E)-4-{4-[(acetylamino)sulfonyl]anilino}-4-oxo-2-butenoic acid | C12H12N2O6S
| | |
| 10 | | 4-[(1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl)sulfamoyl]butanoic acid | 4-[(1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl)sulfamoyl]butanoic acid | C12H12N2O6S
| | |
| 11 | | 4-{[(4-methanesulfonylphenyl)carbamoyl]amino}-4-oxobut-2-enoic acid | 4-{[(4-methanesulfonylphenyl)carbamoyl]amino}-4-oxobut-2-enoic acid | C12H12N2O6S
| | |
| 12 | 71401-58-6 | 3-ethyl 4,5-dihydro-5-oxo-1-(2-sulphophenyl)-1H-pyrazole-3-carboxylate | 3-ethyl 4,5-dihydro-5-oxo-1-(2-sulphophenyl)-1H-pyrazole-3-carboxylate | C12H12N2O6S
| | |
| 13 | 6402-06-8 | 1H-吡唑-3-羧酸,4,5-二氢-5-氧代-1-(4-磺苯基)-,3-乙酯 | 4-(3-(ethoxycarbonyl)-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid | C12H12N2O6S
| | |
| 14 | | 3-[(2-methyl-1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl)sulfamoyl]propanoic acid | 3-[(2-methyl-1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl)sulfamoyl]propanoic acid | C12H12N2O6S
| | |
| 15 | 1510832-15-1 | 1510832-15-1 | 2-?Oxa-?5-?azabicyclo[2.2.2]?octan-?3-?one, 5-?[(2-?nitrophenyl)?sulfonyl]?-?, (1S,?4S)?- | C12H12N2O6S
| | |