| 英文名称: | | 2h-azepin-2-one, hexahydro-, polymer with 2,4-diisocyanato-1-methylbenzene, 2-e | | thyl-2-(hydroxymethyl)-1,3-propanediol, methyloxirane, oxirane and 1,2,3-propan | | etriol | | 2h-azepin-2-one, hexahydro-, polymer with2,4-diisocyanato-1-methylbenzene,2-ethyl-2-(hydroxymethyl)-1,3-propanediol, methyloxirane, oxirane and1,2,3-propanetriol |
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