有机里面的共轭体系的极性,如何根据推电子和吸电子基团判断哪个碳带正负电,如1,3 戊二烯)? 知乎 Template




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tomski有机里面的共轭体系的极性,如何根据推电子和吸电子基团判断哪个碳带正负电,如1,3 戊二烯)? 知乎 coloring