InChI=1/C23H32N2O8/c1-12-16(19(28)31-7)18(17(13(2)24-12)20(29)32-8)21(30)33-11-15(27)25-22(3,4)9-14(26)10-23(25,5)6/h18,24H,9-11H2,1-8H3 13D9F73EE66E3B57