InChI=1S/C23H38O19/c1-4-7(25)10(28)17(20(35)37-4)41-23-18(42-22-13(31)9(27)11(29)16(40-22)19(33)34)14(32)15(5(2)38-23)39-21-12(30)8(26)6(24)3-36-21/h4-18,20-32,35H,3H2,1-2H3,(H,33,34)