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Decachlorobiphenyl Solution 500ug/ml in Acetone
11种卤代烃混标
阿苯达唑-2-氨基砜
正己烷中三氟氯氰菊酯(高效氯氟氰菊酯)溶液标准样品
Dinoseb-methyl ether,certified 标准品
3-[(Aminocarbonyl)amino]-5-[4-(4-morpholinylmethyl)phenyl]-2-thiophenecarboxamide
Benzophenone (d10) Solution 100ug/ml in n-Nonane
Methotrimeprazine-d$3$ maleate 标准品
Methyl tridecanoate
羟基芫花素 对照品