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BG-F30293L(圆底烧瓶/单颈/3000ml/磨口29/42)
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BG-A851922(U型干燥管/磨口19/22)
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1,3-Dimethylurea, 1,3-二甲基脲/5g/CAS:96-31-3
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BG-F308503(圆底烧瓶/单颈/500mL/注意磨口29/32)
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BG-C564175(蛇形回流冷凝器/冷凝管/小咀可拆/冷凝部分175mm/总长335mm/磨口24/40)
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