左旋肉碱,L-Carnitine;Pharmaceutical Secondary Standard; Certified Reference Material
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溴化锶,Strontium bromide;anhydrous, powder, 99.995% trace metals basis -
硫化锌,Zinc sulfide;purum, 97% (from Zn) -
3-氯苯甲酸,3-Chlorobenzoic acid;Pharmaceutical Secondary Standard; Certified Reference Material -
聚丙烯酸,Poly(acrylic acid) [PAA];analytical standard, average Mn 130,000 (Typical) -
清风藤碱,(-)-Sinoacutine;≥98% -
氧化苦参碱,Oxymatrine
