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扑灭津 标准品
2,3,4,5-四氯甲氧基苯
4-Methoxy-2’,3,5,5’-tetrachlorobiphenyl 标准品
PHYTOSTEROL STANDARDS KIT
Copper - 4% HNO3(有证书)
氟硅唑 标准品
Amcinonide-d4
Washington VPH Primary Dilution Standard Mixture (with Surrogate) (repkg) 2000ug/ml in Methanol
2.4.6-Trichlorobiphenyl Solution 100ug/ml in Hexane (无证书)
Deoxycholic-2,2,4,4-d4 Acid 标准品