InChI=1S/C30H40O8/c1-14(10-16(31)11-15(2)26(37)38)17-12-21(34)30(7)22-18(32)13-19-27(3,4)20(33)8-9-28(19,5)23(22)24(35)25(36)29(17,30)6/h10,15,17-19,25,32,36H,8-9,11-13H2,1-7H3,(H,37,38)/b14-10+