InChI=1S/C40H78O13P2/c1-3-5-7-9-11-13-15-17-18-20-22-24-26-28-30-32-40(43)53-38(36-52-55(47,48)51-34-37(41)33-50-54(44,45)46)35-49-39(42)31-29-27-25-23-21-19-16-14-12-10-8-6-4-2/h17-18,37-38,41H,3-16,19-36H2,1-2H3,(H,47,48)(H2,44,45,46)/b18-17-/t37-,38+/m0/s1