| 英文名称: | | 4-hydroxy-n-(2-hydroxyethyl)-n-methyl-butanamid polymer with alpha-hydro- o | | mega -hydroxypoly(oxy-1,2-ethanediyl) and 1,1'-methylenebis[4-isocyanatocyclohe | | xane], 2-hydroxyethyl acrylate-blocked | | butanamide, 4-hydroxy-n-(2-hydroxyethyl)-n-methyl-,polymer with alpha-hydro- omega -hydroxypoly(oxy-1,2-ethanediyl) and |
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