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1,3-Diolein 标准品
2.2'.4.4'.6-Pentachlorobiphenyl (无证书)
醚菊酯
4, 4‘-二氯联苯 100ug/mL in hexane
异丙醇中三唑醇(羟锈宁)溶液标准样品
Ethyl benzimidazole-2-ylcarbamate
Insecticides Kit
1,3-Diethylbenzene
草铵膦
b-Phenylethyl benzoate (无证书)