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1,8-二硝基萘
甲氧虫酰肼/甲氧虫酰胺
Dichlorprop-butoxyethyl ester
Siberian Ginseng (Eleutherococcus senticosus) Root RGBRM 标准品
1,3,5-Triphenylbenzene
100ug/ml Sodium in water for Ion Chromatography(有证书)
4-Chlorotoluene Solution 100ug/ml in Methanol
1,8-Dimethylphenanthrene
Phenylmethanesulfonate (无证书)
铬单元素溶液标准物质