InChI=1/C19H20N2O4/c1-4-24-15-8-6-5-7-13(15)20-17(22)19(3)18(23)21-14-11-12(2)9-10-16(14)25-19/h5-11H,4H2,1-3H3,(H,20,22)(H,21,23)/t19-/m0/s1/f/h20-21H	6CEA2FAD8F65B94E