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乙虫清
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氘代乙腈(TMS) | 乐研
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First Standard® 乙腈中烯虫乙酯溶液,100μg/mL
Hydroprene Solution in Acetonitrile,100μg/mLFirst Standard®天津
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First Standard® 螺虫乙酯-烯醇
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乙腈,75-05-8,AR,>99%(GC)
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乙腈,75-05-8,光谱级,≥99.8%
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螺虫乙酯
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乙腈中氟虫腈砜溶液 广电计量
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茶叶中甲氰菊酯、溴虫腈质控样
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First Standard® 甲醇中螺虫乙酯溶液,100μg/mL
Spirotetramat Solution in Methanol, 100μg/mLFirst Standard®天津
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