| 英文名称: | | 1,4-butanediol, polymer with 1,2-ethanediamine, 1,2-ethanediol, hydrazine, alph | | atobenzene], dimethylamine-terminated | | 1,4-butanediol, polymer with 1,2-ethanediamine,1,2-ethanediol, hydrazine, alpha-hydro- omega-hydroxypoly(oxy-1,4-butanediyl) and |
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