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1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 1-乙基-(3-二甲基氨基丙基)碳酰二亚胺盐酸盐(EDC)/500g/CAS:25952-53-8'); document.write('¥1500
AHB-250-1(加热模块/干浴/黑色/250毫升圆底烧瓶/φ106x47.5)'); document.write('¥729.33