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