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乙氧酰胺苯甲酯 BePure-22653XM
o-Chlorophenoxy acetic acid Solution 100ug/ml in MTBE
白喉类毒素国家标准品(效价测定)
2-Methylbenzimidazole (无证书)
Acetone/MEK/MIBK混标 标准品
Sulfur in Nitrogen (Nominal 50 μmol/mol)
化妆品中21种磺胺混标(GBT 24800.6-2009)
伊曲康唑杂质 A
Bifenthrin Solution 100ug/ml in tert-Butyl methyl ether
2-Chlorostyrene (无证书)