InChI=1/C19H20N2O4/c1-12-6-5-7-13(2)18(12)24-11-17(22)20-21-19(23)16-10-14-8-3-4-9-15(14)25-16/h3-9,16H,10-11H2,1-2H3,(H,20,22)(H,21,23)/t16-/m0/s1/f/h20-21H	2798F596E5CDDCD5