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trans-2-Methyl-2-pentenoic acid, 反式-2-甲基-2-戊烯酸/1kg/草莓酸/CAS:16957-70-3'); document.write('¥1200
Lithium tetrafluoroborate, 四氟硼酸锂/10g/CAS:14283-07-9'); document.write('¥658.5