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甲醇中百草枯溶液标准样品
8种雌激素类同位素药物混标 BePure-30212XM
土壤中PCB苯系物
氯化苦 BePure-21251XB
1-cis-3-Chloroallyl-3,5,7-triaza-1-azonia-adamantane chloride Solution 100ug/ml in Methanol
5-Amino-N-acetyltryptamine
First Standard® 乙腈中特丁草净溶液,100μg/mL
1-Amino-1-cyanocyclopentane Hydrochloride
17种农药混标 标准品
Tricyclazole Solution in Methyl tert-butyl ether