木聚糖来源于玉米芯,Xylan from corn cob;Vetec™, reagent grade, 90%
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磺胺甲二唑-13C6,Sulfamethizole-(phenyl-13C6);VETRANAL®, analytical standard, ≥99.0% -
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全氟铵 (2-甲基-3-氧六酸),Ammonium Perfluoro(2-methyl-3-oxahexanoate) -
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直接冻黄G [白芨],Chrysophenine;Dye content 65 % -
多沙唑嗪甲磺酸酯,Doxazosin mesylate;certified reference material, pharmaceutical secondary standard
