k-Strophanthidin is a cardenolide found in species of the genus Strophanthus. It is the aglycone of k-strophanthin, an analogue of ouabain. k-strophanthin is found in the ripe seeds of Strophanthus kombé and in the lily Convallaria.
K-Strophantidin can be differentiated into:
k-Strophanthin-α, h-Strophanthin, Cymarin, Strophanthidin-D-cymarosid (CAS: 508-77-0)
k-Strophanthin-β, k-Strophanthin, Strophosid, Strophanthidin-glucocymarosid (CAS: 560-53-2)
k-Strophanthin-γ,k-Strophanthosid, Strophanthidin-diglucocymarosid ...
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