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Potassium bis(trimethylsilyl)amide, 双(三甲基硅烷基)氨基钾/500mL/CAS:40949-94-8
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BT-P80001-25(手工冲子/圆冲/直径25mm)
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3-Bromopropyne, 3-溴丙炔/1kg/CAS:106-96-7
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BG-P2330500(细口瓶/棕色/500mL)
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