| 1 | 2170654-75-6 | Mal-PEG6-amine TFA salt | Mal-PEG6-amine TFA salt | C18H32N2O8
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| 2 | 2253965-01-2 | Boc-aminooxy-amide-PEG4-propargyl | Boc-aminooxy-amide-PEG4-propargyl | C18H32N2O8
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| 3 | 3626-00-4 | 2,2',2'',2'''-(Ethylenebisnitrilo)tetrakis(acetic acid ethyl) ester | 2,2',2'',2'''-(Ethylenebisnitrilo)tetrakis(acetic acid ethyl) ester | C18H32N2O8
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| 4 | 24951-52-8 | | 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane-2,9-dione | C18H32N2O8
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| 5 | 28476-49-5 | 己二酸与1,4-丁二醇和1,6-二异氰酸根合己烷的聚合物 | Hexanedioic acid, polymer with 1,4-butanediol and 1,6-diisocyanatohexane | C18H32N2O8
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