Cynatroside B2, a new anti-inflammatory C21 steroid from the roots and rhizomes of Vincetoxicum atratum
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A series of C21 steroidal glycosides were isolated from the roots and rhizomes of Vincetoxicum atratum (Bunge) C. Morren et Decne., including a new compound, cynatroside B2 (1), and seven known compounds (2-8). Their structures were identified by comprehensive... ...
