硝酸锌六水合物,Zinc nitrate hexahydrate;reagent grade, 98%
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特戊酸铯,Cesium pivalate;98%
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四辛基溴化铵,Tetraoctylammonium bromide [TOAB];suitable for ion pair chromatography, LiChropur™, ≥99.0% (AT)
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土霉素盐酸盐 [盐酸土霉素],Oxytetracycline hydrochloride;94.5-102.0%, powder or crystals
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对羟基苯甲酸,4-Hydroxybenzoic acid [p-HBA];Pharmaceutical Secondary Standard; Certified Reference Material
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熊果酸,Ursolic acid;≥90%
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利血平,Reserpine;crystallized, ≥99.0% (HPLC)