InChI=1S/C33H52O9/c1-18-8-12-22(34)17-21(18)11-10-20-7-6-16-33(5)23(13-14-24(20)33)19(2)9-15-25(35)32(3,4)42-31-28(38)26(36)27(37)29(41-31)30(39)40/h10-11,19,22-29,31,34-38H,1,6-9,12-17H2,2-5H3,(H,39,40)/b20-10+,21-11-/t19?,22?,23?,24-,25?,26?,27?,28?,29?,31?,33+/m0/s1