InChI=1S/C23H38O21/c24-1-4-16(10(29)12(31)20(37)39-4)42-21-13(32)7(26)6(3-38-21)41-22-15(34)11(30)17(5(2-25)40-22)43-23-14(33)8(27)9(28)18(44-23)19(35)36/h4-18,20-34,37H,1-3H2,(H,35,36)