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delta-Valerolactone, delta-戊内酯/25g/CAS:542-28-9'); document.write('¥290
2,4-Domromo-6-(Trifluoromethyl)Aniline, 2-氨基-3,5-二溴三氟甲苯/100g/CAS:71757-14-7'); document.write('¥1120
BG-M531044(单排管真空气体分配器/带气体采集口/四氟节门/四组/左小咀)'); document.write('¥302.4