| 英文名称: | | 1,3-butanediol, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 5-is | | ocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, di-et malonate-blocke | | 1,3-butanediol, polymer with2-ethyl-2-(hydroxymethyl)-1,3-propanediol and5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, di-etmalonate-blocked |
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