16,24-Cyclo-13,14-secoergost-2-ene-18,26-dioic acid, 14,17:14,27-diepoxy-?,?,13,20,22-pentahydroxy-1,15-dioxo-, gamma-lactone delta-lactone, (14alpha,16beta,22alpha,25S)- 62857-87-8 Dihydroxyphysalin B