双酚a常用作�料制品添加剂其结构简式如图所示.下列关于双酚a的叙述正确的是 A.双酚a分子的核磁共振谱有4组峰b.双酚a分子中所有的碳 Template




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tomski双酚a常用作�料制品添加剂其结构简式如图所示.下列关于双酚a的叙述正确的是 a.双酚a分子的核磁共振谱有4组峰b.双酚a分子中所有的碳 coloring