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Methyl trifluoromethanesulfonate, 三氟甲烷磺酸甲酯/25g/CAS:333-27-7'); document.write('¥590
Dicyclohexylcarbodiimide, N,N'-二环己基碳二亚胺(DCC)/1kg/CAS:538-75-0'); document.write('¥450