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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
BG-A491922(真空蒸馏接头/磨口19/22)'); document.write('¥120.8
BH-10774(试管架/立柱式/聚丙烯/6*11/适配8ml样品瓶)'); document.write('¥25.6