InChI=1S/C34H50O7/c1-19(30(38)39)10-12-26(40-21(3)35)20(2)25-18-28(37)34(9)24-11-13-27-31(5,6)29(41-22(4)36)15-16-32(27,7)23(24)14-17-33(25,34)8/h10-11,14,20,25-29,37H,12-13,15-18H2,1-9H3,(H,38,39)/b19-10+