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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
Copper(I) bromide-dimethyl sulfide,溴化亚铜二甲硫醚/25g/CAS:54678-23-8'); document.write('¥600