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Acetone sodium bisulfite (无证书)
2.2'.3.4.5.6'-Hexachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
己酸孕酮 标准品
密度 2.3916g/ml @ 50°C 标准品
残杀威溶液标准物质
头孢唑啉钠盐(含干冰运输费)
Selenium - Se metal, 99.999%, 2% HNO3(有证书)
Cyclopropyl-1-d1-methyl-d2 Alcohol 标准品
Cholecalciferol Solution 100ug/ml in Acetonitrile
METHYL 2,3-DIBROMOPROPIONATE, 1X1ML, MTB E 1000UG/ML 标准品