| 1 | 89607-14-7 | 3,4-二溴-1-甲基-吡唑 | 3,4-dibromo-1-methylpyrazole | C4H4Br2N2
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| 2 | 219814-29-6 | 2,5-二溴-4-甲基咪唑 | 2,5-Dibromo-4-Methylimidazole | C4H4Br2N2
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| 3 | 1220039-64-4 | 4-Bromopyridazine Hydrobromide | 4-Bromopyridazine Hydrobromide | C4H4Br2N2
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| 4 | 215451-50-6 | 3-溴哒嗪氢溴酸盐 | 3-Bromo-pyridazine hydrobromide | C4H4Br2N2
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| 5 | 5932-19-4 | 3,4-二溴-5-甲基-1H-吡唑 | 3,4-Dibromo-5-Methyl-1H-Pyrazole | C4H4Br2N2
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| 6 | 1003-50-5 | 4,5-二溴-1-甲基-1H-咪唑 | 4,5-Dibromo-1-Methyl-1H-Imidazole | C4H4Br2N2
| 五元环;咪唑,吡唑等衍生物 | |
| 7 | 1361019-05-7 | 3,5-二溴-1-甲基-1H-吡唑 | 1H-Pyrazole, 3,5-dibromo-1-methyl- | C4H4Br2N2
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| 8 | | Bromoacetonitrile,Bromomethylcyanide | Bromoacetonitrile,Bromomethylcyanide | C4H4Br2N2
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