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Chlorobenzene,Standard for GC, ≥99.9% (GC), 5g
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Cyclohexylamine,Standard for GC, >99.5%(GC), 5ml
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2-Chloro-2-methylpropane,Standard for GC, ≥99.5%(GC), 5ml
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|o|-Chloronitrobenzene,Standard for GC, >99.5%(GC), 5ml
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Cyclopentene,Standard for GC, ≥99.5%(GC), 5ml
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Crotonic acid,standard for GC，≥99.9%(GC), 5g
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Cyclopentane,Standard for GC, ≥99%(GC), 5ml
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Carbon disulfide,Standard for GC, ≥99.9% (GC), 5ml
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1，1，2，2-tetrachloroethane,Standard for GC, 99.8%, 5g
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Cepharanthine,Analytical reference substance, ≥98%, 1g
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Cepharanthine,Analytical reference substance, ≥98%, 5g
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