InChI=1/C23H26N2O7/c1-13-10-17(29)20(22(31)24(13)6-8-26)19(15-4-3-5-16(28)12-15)21-18(30)11-14(2)25(7-9-27)23(21)32/h3-5,10-12,19,26-30H,6-9H2,1-2H3/p-2/fC23H24N2O7/h29-30h/q-2 2C9898E443274B99