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xy·li·dine AHD[zīʹlĭ-dēn', -dĭn, zĭlʹĭ-] D.J.[ˈzaɪlɪˌdiːn, -dɪn, ˈzɪlɪ-]K.K.[ˈzaɪlɪˌdin, -dɪn, ˈzɪlɪ-]n.（名词）- Any of six toxic isomers, (CH3) 2C 6H 3NH 2, derived from xylene, used chiefly as dye intermediates. 二甲基苯胺：六种有毒的同分异构体中的一种(CH3) 2C 6H 3NH 2，由二甲苯制得，主要用于染料中间物
- Any of various mixtures of xylidine isomers.一种二甲基苯胺同分异构体的混合物
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