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alpha-六六六标准溶液,319-84-6,analytical standard,100ug/ml in petroleum ether
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alpha-六六六标准溶液,319-84-6,analytical standard,50ug/ml in methanol:toluene(4:1)
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γ-六六六标准溶液,58-89-9,analytical standard,50ug/ml in methanol:toluene(4:1)
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γ-六六六标准溶液,58-89-9,analytical standard,100ug/ml in methanol
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δ-六六六标准溶液,319-86-8,analytical standard,100ug/ml in petroleum ether
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Permethrin, mixed isomers 农药
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γ-六六六标准溶液,58-89-9,analytical standard,100ug/ml in petroleum ether
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First Standard® 甲苯中联苯肼酯溶液,100ug/ml
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氯甲酸苄酯 (45% solution in toluene) for synthesis
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氯甲酸苄酯 (45% solution in toluene) for synthesis
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