Three New C21 Steroidal Glycosides from the Roots of Cynanchum komarovii Al.Iljinski

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Three new C21 steroidal glycosides named komaroside A, komaroside B, komaroside C were isolated from the ethanolic extract of the roots of Cynanchum komarovii Al.Iljinski (Asclepiadaceae), their structures were determined by physiochemical and spectroscopic analysis.
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