Ma X X, Wang D, Zhang Y, et al. Identification of new qingyangshengenin and caudatin glycosides from the roots of Cynanchum otophyllum[J]. Steroids, 2011, 76(10):1003.
[13]
Warashina T, Noro T. Steroidal glycosides from roots of Cynanchum caudatum M. III [J]. Chem Pharm Bull, 1996, 44(2): 358.
[14]
Warashina T, Noro T. Steroidal glycosides from roots of Cynanchum caudatum [J]. Phytochemistry, 1997, 44(5): 917.
[15]
Chen J, Zhang Z, Zhou J, et al. New pregnane glycosides fromSinomarsdenia incise [J]. J Nat Prod, 1999, 62(6): 829.
[16]
Fumiko A, Hikaru O, Tatsuo Y, et al. Pregnane glycosides from Marsdenia tomentosa[J]. Chem Pharm Bull, 1994, 7(6): 869.
[17]
Zhang R S, Ye Y P, Li X Y, et al. Oxypregnane-oligoglycosides from the stems of Stephanotis mucronata(Asclepiadaceae)[J]. Chin Chem Lett, 2005, 16(4): 483.
Li X, Sun H, Ye Y, et al. Three new immunomodulating C21-steroidal glycosides from the stems of Stephanotis mucronata [J]. Chem Biodivers, 2005, 2(12): 1701.
[20]
Chen G, Xu N, Pei Y H, et al. C21 steroidal glycosides Cynanchum wallichii Wight[J]. J Asian Nat Prod Res, 2009, 2(11):177.
