| 1 | 122429-11-2 | 3-NITROPYRIDAZINE | 3-NITROPYRIDAZINE | C4H3N3O2
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| 2 | 122429-13-4 | 4-硝基嘧啶 | Pyrimidine, 4-nitro- (9CI) | C4H3N3O2
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| 3 | 174617-92-6 | 1H-Pyrrole,3,4-dinitroso-(9CI) | 1H-Pyrrole,3,4-dinitroso-(9CI) | C4H3N3O2
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| 4 | 6498-04-0 | 1,2,4-三嗪-3-甲酸 | 1,2,4-TRIAZINE-3-CARBOXYLIC ACID | C4H3N3O2
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| 5 | | 5-Cyanomethyl-1,3,4-oxadiazol-2-ol | 5-Cyanomethyl-1,3,4-oxadiazol-2-ol | C4H3N3O2
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| 6 | 141763-14-6 | 1H-1,2,4-Triazole-3,5-dicarboxaldehyde | 1H-1,2,4-Triazole-3,5-dicarboxaldehyde | C4H3N3O2
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| 7 | | 2-(1,3,4-OXADIAZOL-2-YLOXY)ACETONITRILE | 2-(1,3,4-OXADIAZOL-2-YLOXY)ACETONITRILE | C4H3N3O2
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| 8 | 174617-89-1 | 1H-Pyrrolo[3,4-c][1,2,5]oxadiazole,3-oxide(9CI) | 1H-Pyrrolo[3,4-c][1,2,5]oxadiazole,3-oxide(9CI) | C4H3N3O2
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| 9 | 709636-88-4 | 1H-Imidazole-5-carbonitrile,1-hydroxy-,3-oxide(9CI) | 1H-Imidazole-5-carbonitrile,1-hydroxy-,3-oxide(9CI) | C4H3N3O2
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