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PUNYW27312524 Carprofen Impurity 1
2-Ethylhexyl-2.4-dichlorophenoxy acetate Solution 100ug/ml in Acetonitrile
delta-HCH (BHC)
倍硫磷氧砜 BePure-22867-20mg
磺胺溴二甲嘧啶-D4(客户定制)
POE (7 to 8) 叔辛基苯酚(无证书)
丙酮中氟氰戊菊酯(氟氰菊酯)
Analyte Fortification Solution 标准品
邻苯二甲酸丁苄酯溶液标准物质
Carbonyl Compounds Mix B 标准品