InChI=1S/C29H38O8/c1-14(23(31)32)9-17-10-15(2)27(5)21(36-17)12-18-22(24(33)34)16(11-19(30)28(18,27)6)13-29-8-7-20(37-29)26(3,4)25(29)35/h9,12,15,17,19-21,30H,7-8,10-11,13H2,1-6H3,(H,31,32)(H,33,34)/b14-9+/t15-,17?,19-,20+,21-,27-,28+,29+/m1/s1