| 1 | 60186-14-3 | 2,4-二氟-3-硝基吡啶 | 4-difluoro-3-nitropyridine | C5H2F2N2O2
| 吡啶 | |
| 2 | 58602-02-1 | 2,6,-二氟-3-硝基吡啶 | 2,6-Difluoro-3-nitropyridine | C5H2F2N2O2
| 吡啶 | |
| 3 | 1803870-99-6 | Pyridine, 3,4-difluoro-2-nitro- | Pyridine, 3,4-difluoro-2-nitro- | C5H2F2N2O2
| | |
| 4 | 179558-82-8 | 2,5-二氟-3-硝基吡啶 | Pyridine, 2,5-difluoro-3-nitro- (9CI) | C5H2F2N2O2
| | |
| 5 | 2386233-32-3 | 2-Pyrazinecarboxylic acid, 3,5-difluoro- | 2-Pyrazinecarboxylic acid, 3,5-difluoro- | C5H2F2N2O2
| | |
| 6 | | 2,6-DIFLUORO-PYRIMIDINE-4-CARBOXYLIC ACID | 2,6-DIFLUORO-PYRIMIDINE-4-CARBOXYLIC ACID | C5H2F2N2O2
| Pyrimidine series | |
| 7 | 2385890-50-4 | 4-Pyrimidinecarboxylic acid, 2,6-difluoro- | 4-Pyrimidinecarboxylic acid, 2,6-difluoro- | C5H2F2N2O2
| | |