Yonghua Chemical Technology (Jiangsu) Co., Ltd.(Shanghai lingfeng chemical reagent co., ltd.)
Epoxyethane
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Bromoethane
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1,2-Dibromoethane
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Iodomethane
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Iodoethane
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N,N-Dimethylformamide
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Ethylene diamine
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Triethanolamine
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Diethanolamine
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Ethanolamine
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Diethylenetriamine
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N,N-dimethylaniline
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Polyethylene polyamine
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