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Bis(4-methyl-2-pentyl) phthalate
First Standard® 乙腈中安果磷溶液,100μg/mL
PHENYLANTHRAQUINONE, 9,10-(RG) 标准品
13C6-磺胺甲恶唑 BePure-25688
Propachlor Solution 100ug/ml in Acetonitrile
GROUND WATER (Br, low level) 标准品
N-(2-Aminoethyl)-4-(1,1-dimethylethyl)-2,6-dimethylbenzeneacetamide-d4
克百威
精高效氯氟氰菊酯
Ethyl methacrylate Solution 100ug/ml in Hexane