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2,2-Dimethoxypropane, 2,2-二甲氧基丙烷/100ml/CAS:77-76-9'); document.write('¥60
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)/250g/CAS:25952-53-8'); document.write('¥900