InChI=1S/C34H50O7/c1-19(17-25(35)20(2)21(3)30(39)40)22-11-15-34(8)24-9-10-26-31(4,5)27(41-29(38)18-28(36)37)13-14-32(26,6)23(24)12-16-33(22,34)7/h19,21-22,26-27H,2,9-18H2,1,3-8H3,(H,36,37)(H,39,40)/t19-,21?,22-,26+,27-,32-,33-,34+/m1/s1