硫酸铵-15N2,Ammonium-15N2 sulfate;10 atom % 15N
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二十一烷酸乙酯,Heneicosanoic acid-ethyl ester
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四(乙基甲基胺基)铪(IV),Tetrakis(ethylmethylamido)hafnium(IV) [TEMAH];≥99.99% trace metals basis
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氯化乙酰胆碱,Acetylcholine chloride [ACh];Pharmaceutical Secondary Standard; Certified Reference Material
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多巴胺盐酸盐 [盐酸多巴胺],Dopamine hydrochloride;Pharmaceutical Secondary Standard; Certified Reference Material
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聚丙烯酸,Poly(acrylic acid) [PAA];average Mw 1800
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水杨酸甲酯,Methyl salicylate [MeSA];natural, 98%, FG