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Ethyl trans-2-butenoate, 反式-2-丁烯酸乙酯/100g/CAS:623-70-1'); document.write('¥230
1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol, 双丙酮-D-甘露糖醇/5g/CAS:1707-77-3'); document.write('¥120
(Diacetoxyiodo)benzene, 碘苯二乙酸/5g/CAS:3240-34-4'); document.write('¥100
Copper, 铜粉/50g/CAS:7440-50-8'); document.write('¥71