InChI=1S/C30H38O11/c1-15-5-9-22(40-29-26(35)24(33)25(34)27(41-29)28(36)37)30(3,4)19(15)14-20(31)16(2)11-12-38-18-8-6-17-7-10-23(32)39-21(17)13-18/h6-8,10-11,13,20,22,24-27,29,31,33-35H,5,9,12,14H2,1-4H3,(H,36,37)/b16-11-