16,24-Cyclo-13,14-secoergost-2-ene-18,26-dioic acid, 5,6:14,17:14,27-triepoxy-13,20,22-trihydroxy-1,15-dioxo-, gamma-lactone delta-lactone, (5beta,6beta,14alpha,16beta,22alpha,25S)- 5,6-Epxoyphysalin B 57423-71-9 Physalin F