The constituents of Thelocactus bicolor. I. The isolation of itesmol, a new steroid and eisacol a new pentacyclic triterpenoid.
D002626:Chemistry, Pharmaceutical; D010944:Plants / Q000032:analysis*; D013256:Steroids / Q000302:isolation & purification*; D013729:Terpenes / Q000302:isolation & purification*
D013256:Steroids; D013729:Terpenes