| 英文名称: | | ypoly(1,4-butanediyl), 4-hydroxy-n-(2-hydroxyethyl)-n-methylbutanamide and 1,1' | | -methylenebis[4-isocyanatocyclohexane] | | 2-propenoic acid, 2-hydroxyethyl ester, polymer withalpha-hydro- omega -hydroxypoly(1,4-butanediyl),4-hydroxy-n-(2-hydroxyethyl)-n-methylbutanamide and |
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