英文名称: | 2-oxepanone, polymer with 1,4-butanediol, 2,3-dibromo-2-butene-1,4-diol, 4,4'-d | iisocyanato-3,3'-dimethyl-1,1'-biphenyl, 2-ethyl-2-(hydroxymethyl)-1,3-propaned | iol and 4,4'-(methanetetrayldinitrilo)bis[3,5-bis(1-methylethyl)phenol] | 2-oxepanone, polymer with 1,4-butanediol,2,3-dibromo-2-butene-1,4-diol,4,4'-diisocyanato-3,3'-dimethyl-1,1'-biphenyl,2-ethyl-2-(hydroxymethyl)-1,3-propanediol and |
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