| 1 | 247069-27-8 | 2,6-二氨基-3,5-二氟嘧啶 | 2,6-Diamino-3,5-difluoropyridine | C5H5F2N3
| 吡啶;精细化工;吡啶系列;医药原料;其他原料;杂环化合物;有机化工原料;原料药，中间体;德拉沙星中间体 | |
| 2 | 1785551-80-5 | 5-(二氟甲基)吡嗪-2-胺 | 5-(difluoromethyl)pyrazin-2-amine | C5H5F2N3
| | |
| 3 | 837364-94-0 | 2,6-difluoro-4-hydrazinyl-Pyridine | 2,6-difluoro-4-hydrazinyl-Pyridine | C5H5F2N3
| 苯类 | |
| 4 | 1780891-13-5 | 4-(二氟甲基)嘧啶-2-胺 | 4-(difluoromethyl)pyrimidin-2-amine | C5H5F2N3
| | |
| 5 | 837364-98-4 | 2,4-二氟-6-肼基吡啶 | (4,6-DIFLUORO-PYRIDIN-2-YL)-HYDRAZINE | C5H5F2N3
| | |
| 6 | 165258-58-2 | 2,6-氟-N-甲基-4-氨基嘧啶 | 4-Pyrimidinamine,2,6-difluoro-N-methyl- | C5H5F2N3
| | |
| 7 | 18260-66-7 | 2,6-二氟-5-甲基嘧啶-4-胺 | 2,6-DIFLUORO-5-METHYLPYRIMIDIN-4-YLAMINE | C5H5F2N3
| | |
| 8 | 18260-79-2 | 2-Pyrimidinamine, 4,6-difluoro-5-methyl- (9CI) | 2-Pyrimidinamine, 4,6-difluoro-5-methyl- (9CI) | C5H5F2N3
| | |
| 9 | 92311-40-5 | 2-Pyrimidinamine, 4-fluoro-6-(fluoromethyl)- (9CI) | 2-Pyrimidinamine, 4-fluoro-6-(fluoromethyl)- (9CI) | C5H5F2N3
| | |