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Allyl chloroformate, 氯甲酸烯丙酯/1kg/CAS:2937-50-0'); document.write('¥605
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