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2-Bromochlorobenzene, 2-氯溴苯/1kg/CAS:694-80-4'); document.write('¥825
β-analine, β-氨基酸丙酸/250g/CAS:107-95-9'); document.write('¥300
Ethylene oxide(solution), 环氧乙烷(溶液)/100g/CAS:75-21-8'); document.write('¥202.5