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Chlorodiphenylphosphine, 二苯基氯化膦/25g/CAS:1079-66-9
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BG-C144500(格式蛇形冷凝器/冷凝管/冷凝部分长500mm,磨口24/40)
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Ethanesulfonyl chloride, 乙基磺酰氯/25g/CAS:594-44-5
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