161407-65-4

16,24-Cyclo-13,14-secoergost-3-ene-18,26-dioicacid, 2,5-epidioxy-14,17:14,27-diepoxy-6,13,20,22-tetrahydroxy-1,15-dioxo-, g-lactone d-lactone, (2b,5b,6b,14a,16b,22a,25S)-