InChI=1S/C33H50O7/c1-18(34)39-26-17-24-29(2,3)25(35)13-15-32(24,7)23-12-14-31(6)20(10-11-22(31)33(23,26)8)19-16-21(40-28(19)38-9)27(36)30(4,5)37/h11,13,15,19-21,23-24,26-28,36-37H,10,12,14,16-17H2,1-9H3/t19-,20-,21+,23+,24-,26+,27-,28+,31-,32+,33-/m0/s1