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6-羟基灭草松 标准品
Tefzel? Rotor 密封垫 用于7000/7010/7040
塑料管线切割器
Varian SPE 空管(含筛板),3ml
丙二酸二丁酯
Stainless Steel Ultra-Torr Vacuum Fitting, Reducing Union, 3/8 x 1/4 in. Tube OD
SAFETY WASHING BOTTLES, PE, W.SAFETY DE- LIVERY JET, YELLOW, 500 ML "DIMETHYLFORMAMID"
异丙醇 ,制备色谱级,99.8%
9-吖啶羧酸
17种氨基酸混合溶液标准物质