| 1 | 6297-80-9 | 4,6-二氯-1H-嘧啶-2-酮 | NSC45721 | C4H2Cl2N2O
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| 2 | 2779-81-9 | 3,6-二氯哒嗪-4-醇 | 3,6-dichloropyridazin-4-ol | C4H2Cl2N2O
| 氮杂环;杂环化合物;医药中间体 | 杂环化合物;医药中间体;氮杂环 |
| 3 | | 4,5-DICHLORO-PYRIDAZIN-3-OL | 4,5-DICHLORO-PYRIDAZIN-3-OL | C4H2Cl2N2O
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| 4 | 55609-72-8 | 4-Pyridazinol, 5,6-dichloro- | 4-Pyridazinol, 5,6-dichloro- | C4H2Cl2N2O
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| 5 | 130879-62-8 | 3,5-二氯吡嗪-2(1H)-酮 | 3,5-Dichloro-2(1H)-pyrazinone | C4H2Cl2N2O
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| 6 | | 3,6-Dichloropyridazine 1-oxide | 3,6-Dichloropyridazine 1-oxide | C4H2Cl2N2O
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| 7 | 120977-94-8 | 2,6-二氯-1H-嘧啶-4-酮 | 2,6-dichloro-1H-pyrimidin-4-one | C4H2Cl2N2O
| 嘧啶;氮杂环 | |
| 8 | 932-22-9 | 4,5-二氯-3-羟基哒嗪 | 4,5-dichloro-3-hydroxypyridazine | C4H2Cl2N2O
| 哒嗪;中间体;通用试剂;杂环砌块;农药中间体;医药中间体;中间体-有机中间体 | |
| 9 | 169557-02-2 | 2,5-二氯嘧啶-4-醇 | 4(3H)-PyriMidinone, 2,5-dichloro- | C4H2Cl2N2O
| 有机原料 | |
| 10 | 25974-26-9 | Pyridazine, 3,6-dichloro-, 2-oxide | Pyridazine, 3,6-dichloro-, 2-oxide | C4H2Cl2N2O
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| 11 | 88982-89-2 | 3-Buten-2-one, 3,4-dichloro-1-diazo- | 3-Buten-2-one, 3,4-dichloro-1-diazo- | C4H2Cl2N2O
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| 12 | | 4-Chloro-1H-pyrazole-3-carbonylchloride | 4-Chloro-1H-pyrazole-3-carbonylchloride | C4H2Cl2N2O
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| 13 | 81293-97-2 | 4,5-Dichloro-1H-imidazole-2-carbaldehyde | 4,5-Dichloro-1H-imidazole-2-carbaldehyde | C4H2Cl2N2O
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| 14 | 67514-71-0 | 1H-Pyrazole-1-carbonyl chloride, 4-chloro- (9CI) | 1H-Pyrazole-1-carbonyl chloride, 4-chloro- (9CI) | C4H2Cl2N2O
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