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(R)-(+)-1,1'-Bi-2-naphthol, R-1,1'-联-2-萘酚/25g/CAS:18531-94-7
'); document.write('¥830

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N,O-Dimethylhydroxylamine hydrochloride, N,O-二甲基羟基胺盐酸盐/250g/CAS:6638-79-5
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BT-Z14108(镇流器)
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BG-C371720(具储存球闪式层析柱/容量100mL/外径17mm/内径13.4mm/磨口24/40/长203mm)
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