title: Structures of three new steroidal sapogenins from Dioscorea prazeri.
mesh_terms: D006914:Hydroxysteroids / Q000302:isolation & purification; D010944:Plants / Q000032:analysis; D013150:Spirostans / Q000302:isolation & purification*
chemical_list: D006914:Hydroxysteroids; D013150:Spirostans