InChI=1S/C30H38O11/c1-15(11-12-38-18-8-6-17-7-10-22(31)39-20(17)14-18)5-9-19-16(2)13-21(27(35)30(19,3)4)40-29-25(34)23(32)24(33)26(41-29)28(36)37/h6-8,10-11,14,21,23-27,29,32-35H,5,9,12-13H2,1-4H3,(H,36,37)/b15-11-