1.17-lactone has an important role in Na+/K+-ATPase binding & the lactone must be unsaturation 不飽和,若飽和,活性會降低
2.Rings A-B and C-D are cis fused, whereas rings B-C have a trans configuration
3.The 14-OH is understood to be dispensable 非必要的
18下列有關強心配醣體的結構與活性關係(structure-activity r..-阿摩線上測驗