InChI=1S/C40H64O15/c1-17(18(2)36(51)55-38-35(50)33(48)31(46)28(16-42)54-38)12-26(43)19(3)23-8-9-24-22-7-6-20-13-21(52-37-34(49)32(47)30(45)27(15-41)53-37)14-29(44)40(20,5)25(22)10-11-39(23,24)4/h6,19,21-35,37-38,41-50H,7-16H2,1-5H3/b18-17-