4-beta-Hydroxywithanolide E 4beta-Hydroxywithanolide E 5,6-Epoxy-4,14,17,20,22-pentahydroxy-1-oxoergosta-2,24-dien-26-oic acid delta-lactone 54334-04-2 Ergosta-2,24-dien-26-oic acid, 5,6-epoxy-4,14,17,20,22-pentahydroxy-1-oxo-, delta-lactone, (4-beta,5-beta,6-beta,17-alpha,22R)- NSC 212509 Withanolide E, 4-beta-hydroxy-