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Methyl (trimethylsilyl)acetate, (三甲基硅烷)乙酸甲酯/5g/CAS:2916-76-9
'); document.write('¥670

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BT-12910-H2-1.6(减压器/氢气/YQQ-352/1.6)
'); document.write('¥416

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Eschenmoser's Salt, N,N-二甲基亚甲基碘化胺/5g/CAS:33797-51-2
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Cupric bromide, 无水溴化铜/1kg/CAS:7789-45-9
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BT-12913(U型压力计/4000帕)
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BH-10270-000(橡胶塞/#000/直径12mm/8mm)
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