InChI=1S/C32H52O13/c1-6-32(5,41)15-9-14-19(3)11-7-10-18(2)12-8-13-20(4)16-42-30-26(37)23(34)22(33)21(44-30)17-43-31-27(38)24(35)25(36)28(45-31)29(39)40/h6,10,13-14,21-28,30-31,33-38,41H,1,7-9,11-12,15-17H2,2-5H3,(H,39,40)/b18-10-,19-14+,20-13+