InChI=1S/C40H71O9P/c1-3-37(2)31-27-23-19-15-12-13-16-20-24-28-32-39(42)47-35-38(36-48-50(44,45)46)49-40(43)33-29-25-21-17-11-9-7-5-4-6-8-10-14-18-22-26-30-34-41/h4,6-7,9-10,14,17,21,37-38,41H,3,5,8,11-13,15-16,18-20,22-36H2,1-2H3,(H2,44,45,46)/b6-4-,9-7-,14-10-,21-17-/t37?,38-/m1/s1