| 1 | 2649425-73-8 | AlogliptinImpurity42 | AlogliptinImpurity42 | C5H4Cl2N2O
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| 2 | 36398-43-3 | 2,5-二氯-3-甲氧基吡嗪 | 2,5-Dichloro-3-methoxypyrazine | C5H4Cl2N2O
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| 3 | | 2,6-DICHLORO-3-FORMYLPYRIDAZINE | 2,6-DICHLORO-3-FORMYLPYRIDAZINE | C5H4Cl2N2O
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| 4 | 1074-40-4 | 4,6-二氯-2-甲氧基嘧啶 | 2-Methoxy-4,6-dichloropyrimidine | C5H4Cl2N2O
| 嘧啶;医药中间体;嘧啶类化合物 | |
| 5 | 19646-07-2 | 2,4-二氯-5-甲氧基嘧啶 | 2,4-Dichloro-5-Methoxy-Pyrimidine | C5H4Cl2N2O
| 嘧啶;定制;中间体;嘧啶系列;杂环砌块;通用试剂;其他原料;医药中间体;有机化合物 | |
| 6 | | 2-CHLOROCARBONYLPYRAZINIUMCHLORIDE | 2-CHLOROCARBONYLPYRAZINIUMCHLORIDE | C5H4Cl2N2O
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| 7 | 32265-50-2 | 5,6-Dichloro-2-methyl-4-pyrimidinol | 5,6-Dichloro-2-methyl-4-pyrimidinol | C5H4Cl2N2O
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| 8 | 933-76-6 | 4,5-二氯-2-甲基-2H-哒嗪-3-酮 | 4,5-Dichloro-2-methylpyridazin-3-one | C5H4Cl2N2O
| 哒嗪;日用化学品 | |
| 9 | 87486-33-7 | 3,5-二氯-1-甲基吡嗪-2(1H)-酮 | 1-Methyl-3,5-dichloro-2(1H)-pyrazinone | C5H4Cl2N2O
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| 10 | 50371-68-1 | 4,5-DICHLORO-1H-PYRROLE-2-CARBOXAMIDE;1H-PYRROLE-2-CARBOXAMIDE, 4,5-DICHLORO- | 1H-Pyrrole-2-carboxaMide, 4,5-dichloro- | C5H4Cl2N2O
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| 11 | 6794-35-0 | 5,6-dichloro-2-Methyl-3(2H)-pyridazinone | 5,6-dichloro-2-Methyl-3(2H)-pyridazinone | C5H4Cl2N2O
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| 12 | 2384640-00-8 | 4,6-二氯-1-甲基-2(1H)-嘧啶酮 | 2(1H)-Pyrimidinone, 4,6-dichloro-1-methyl- | C5H4Cl2N2O
| 阿格列汀杂质 | 阿格列汀杂质 |
| 13 | 501662-04-0 | 4(1H)-Pyridazinone, 5,6-dichloro-1-methyl- | 4(1H)-Pyridazinone, 5,6-dichloro-1-methyl- | C5H4Cl2N2O
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| 14 | 792909-14-9 | 5-CHLORO-6-(CHLOROMETHYL)PYRIMIDIN-4(3H)-ONE | 5-CHLORO-6-(CHLOROMETHYL)PYRIMIDIN-4(3H)-ONE | C5H4Cl2N2O
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| 15 | 19874-98-7 | 4(3H)-Pyrimidinone, 6-chloro-2-(chloromethyl)- | 4(3H)-Pyrimidinone, 6-chloro-2-(chloromethyl)- | C5H4Cl2N2O
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| 16 | 110763-09-2 | 5-氯-1-甲基-1H-吡唑-4-羰酰氯 | 5-chloro-1-methyl-1H-pyrazole-4-carbonyl chloride | C5H4Cl2N2O
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| 17 | 157142-50-2 | 1H-Pyrazole-5-carbonyl chloride, 4-chloro-1-methyl- (9CI) | 1H-Pyrazole-5-carbonyl chloride, 4-chloro-1-methyl- (9CI) | C5H4Cl2N2O
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| 18 | 117283-62-2 | 1H-Imidazole-5-carbonyl chloride, 2-chloro-1-methyl- (9CI) | 1H-Imidazole-5-carbonyl chloride, 2-chloro-1-methyl- (9CI) | C5H4Cl2N2O
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