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