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(R)-(+)-1,1'-Bi-2-naphthol, R-1,1'-联-2-萘酚/100g/CAS:18531-94-7'); document.write('¥2600
4-Methoxybenzyl bromide, 4-甲氧基溴苄/100g/CAS:2746-25-0'); document.write('¥2180