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4-Biphenylcarboxylic acid, 4-苯基苯甲酸/100g/CAS:92-92-2
'); document.write('¥480

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2-Nitrotoluene, 2-硝基甲苯/500g/CAS:88-72-2
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BG-F464008(溶剂储存球瓶/1000mL/磨口24/40/高真空阀0-8mm)
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