Sengosterone

(22R,24S,25S,28R)-2β,3β,5,14,20,22,28-Heptahydroxy-6-oxo-5β-stigmast-7-en-26-oic acid γ-lactone

(20R,22R,24S,25S,28R)-2β,3β,5,14,20,22,28-Heptahydroxy-6-oxo-5β-stigmasta-7-ene-27-oic acid γ-lactone