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Benzene,for HPLC, ≥99.5%, 4L
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Benzene,for HPLC, ≥99.5%, 1L
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Benzene,for HPLC, ≥99.5%, 100ml
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Benzene,for HPLC, ≥99.5%, 12X500ml
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Benzene,standard for GC，≥99.9%(GC), 5ml
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Bchinacoside,Analytical reference substance, ≥98%, 20mg
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Bulleyaconitine A,Analytical controls, 10mg
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Bulleyaconitine A,Analytical controls, 50mg
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Barium solution,1000μg/ml, solvent: 1.0 mol/L HNO3, 50ml
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Baccatin III,Analytical reference substance, ≥99% (HPLC), 10mg
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Butyl valerate,Standard for GC, ≥99.5% (GC), 5ml
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