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Potassium tert-butanolate, 叔丁醇钾/500g/CAS:865-47-4'); document.write('¥760
BG-C255300(球型冷凝器/冷凝管/冷凝部分长300mm,磨口29/42)'); document.write('¥103.2
Benzyl chloride, 苄基氯/500G/CAS:100-44-7'); document.write('¥162
BG-Y500010-4(比色皿/石英/四通/1cm/2只)'); document.write('¥234.66