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High-purity silicone stopper, size 8 (41D)
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High-purity silicone stopper, size 000 (13D)
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High-purity silicone stopper, size 4 (27D)
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High-purity silicone stopper, size 11 (60D)
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High-purity silicone stopper, size 14 (92D)
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High-purity silicone stopper, size 7 (38D)
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Ricinoleic acid (purity≥99%) | 蓖麻油酸 | MedChemExpress (MCE)
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Benzo[a]pyrene | 苯并[a]芘 | MedChemExpress (MCE)
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3,4-苯并芘标准溶液,50-32-8,analytical standard,5.0ug/mL in methanol
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Benzo[k]fluoranthene-d12 | MedChemExpress (MCE)
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