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三溴苯酚 标准品
4-Ethylphenol-d9-PFB
碘佛醇杂质Ⅰ(N,N'-双(2,3-二羟基丙基)-5-氨基-2,4,6-三碘-1,3-苯二甲酰胺)
Liquid Absorbance Filters, UV-VIS
Nickel at 10ug/ml in NaCN(有证书)
Dimethachlon Solution in Methanol
全氟十四酸
16α-Hydroxy-17β-estradiol-2,4,17-d3 标准品
Endosulfan,mixed isomers 标准品
N-(1-Naphthyl)ethylenediaminedihydrochloride (无证书)