InChI=1S/C20H27N3O9/c1-3-23(4-2)19(29)10(8-21)5-9-6-11(13(25)12(24)7-9)22-18-16(28)14(26)15(27)17(32-18)20(30)31/h6-7,10,14-18,22,24-28H,3-5H2,1-2H3,(H,30,31)