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Ethyl 4-oxocyclohexanecarboxylate, 对环己酮甲酸乙酯/500g/CAS:17159-79-4
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已停产!NMRTV-230(真空/低压核磁管/全长230mm)
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DZ-BG-10升四口瓶
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BG-PT250025(抽滤瓶/过滤瓶+核磁管清洗装置/6孔四氟塞+抽滤垫/硅胶/六件套)
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