InChI=1S/C40H78NO8P/c1-5-7-9-11-13-15-17-19-20-21-23-25-27-29-31-33-40(43)49-38(37-48-50(44,45)47-35-34-41(3)4)36-46-39(42)32-30-28-26-24-22-18-16-14-12-10-8-6-2/h19-20,38H,5-18,21-37H2,1-4H3,(H,44,45)/b20-19-