InChI=1/C21H26N2O6/c1-13(2)11-23(12-18(24)20(27)28)21(29)22-17(19(25)26)10-15-8-5-7-14-6-3-4-9-16(14)15/h3-9,13,17-18,24H,10-12H2,1-2H3,(H,22,29)(H,25,26)(H,27,28)/p-2/t17-,18-/m0/s1/fC21H24N2O6/h22H/q-2 4217ED829F424432