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NMRT53B(核磁管/厚壁/变径/5毫米转3mm)'); document.write('¥30.77
Trifluoroacetic anhydride, 三氟乙酸酐/100g/CAS:407-25-0'); document.write('¥140
BH-10805(试管刷/4#/支)'); document.write('¥4