InChI=1/C22H22N2O4/c1-4-15-5-8-17(9-6-15)24-22(26)20(14-23)21(25)10-7-16-11-18(27-2)13-19(12-16)28-3/h5-13,24,26H,4H2,1-3H3/p-1/b10-7+,22-20-/fC22H21N2O4/h26h/q-1 3E3094A05CA212DF