5-溴-2-硝基苯甲醛,5-bromo-2-nitro-benzaldehyde;≥99.0%(GC)
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HisCap镍金属螯合亲和纯化填料6FF预装柱 [His标签蛋白],HisCap 6FF -
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氨苄西林钠盐 [氨苄青霉素钠盐],Ampicillin sodium salt;powder or crystals, BioReagent, suitable for cell culture -
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氰化钾培养基基础(无氰化钾),Potassium cyanide medium base (potassium cyanide free)
