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Acetaminophen Acetate (Acetaminophen Impurity)
5-Hydroxyindole-4,6,7-d3-3-acetic-d2 Acid 标准品
多效唑农药标准溶液
2,2’,4,4’,5,5’-六氯联苯
First Standard® 甲苯中氯苯胺灵溶液,1000μg/mL
First Standard® 乙腈中氯草定溶液, 1000μg/mL
Phenylurea Surrogate Mixture 标准品
双氯酚
7-Aminobenz[a]anthracene
2-p-Anisyl-2-propanol