ABSTRACT

STEROIDS: bethogenin, 26-chloro-26-deoxycryptogenin, pennogenin, trillenogenin. (Sap) Nohara et al., Tetrahedron Lett., 4381 (1975) (S) Nohara et al., Chem. Pharm. Bull., 1772 (1974)

T. sessile subsp. californicum. STEROID: diosgenin.