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First Standard® 乙腈中醚磺隆溶液,100μg/mL
5-Fluoroindole (无证书)
溶血磷脂酰胆碱
交沙霉素
DELTA-BHC 20UG/ML于甲醇 标准品
Washington EPH Matrix Spiking Mixture 250ug/ml in Acetone
2,2',3-Trichlorobiphenyl Solution 100ug/ml in Hexane (无证书)
LAURIC ACID ETHYLESTER(SG) 标准品
除虫菊素II Bepure-25336YA(货号取消)
切割钢 标准品(块状)