(-)-可替宁,(-)-Cotinine;Pharmaceutical Secondary Standard; Certified Reference Material
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次亚磷酸钠一水合物,Sodium hypophosphite monohydrate;puriss. p.a., Reag. Ph. Eur., ≥99%
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三氟乙酸钾,Potassium trifluoroacetate;98%
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呋喃-2,5-二碳酰肼,Furan-2,5-dicarbohydrazide
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氮化铝,Aluminum nitride [AlN];powder, -200 mesh, 99.8% trace metals basis
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氧化铜锌铁,Copper zinc iron oxide;nanopowder, <100 nm particle size (BET), 98.5% trace metals basis
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盐酸氧烯洛尔-d7,Oxprenolol-d7 Hydrochloride