The six-memberedring of each kind of metals is the most stable.
三种元素的六员环短-长键交替结构都是各自环簇中最稳定的结构。
2
Therefore, it is the reducing end and will be in equilibrium with alpha and beta six-memberedring forms, AS described earlier for monosaccharides.
因此如前面单糖部分所述,它是还原性末端。会形成六元环形式的平衡。
3
The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively, and the five-membered ring exhibits an envelope conformation.