InChI=1S/C33H51NO9/c1-15-5-10-33(34-14-15)16(2)24-23(43-33)13-20-18-12-22(41-30-27(38)25(36)26(37)28(42-30)29(39)40)21-11-17(35)6-8-31(21,3)19(18)7-9-32(20,24)4/h15-16,18-28,30,34,36-38H,5-14H2,1-4H3,(H,39,40)