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Ethyl 4-chloroacetoacetate, 4-氯乙酰乙酸乙酯/100ml/CAS:638-07-3'); document.write('¥210
Calcium trifluoromethanesulfonate, 三氟代甲磺酸钙盐/5g/CAS:55120-75-7'); document.write('¥360