InChI=1/C18H20N2O4/c1-12-8-9-16(24-2)14(10-12)20-18(23)17(22)19-11-15(21)13-6-4-3-5-7-13/h3-10,15,21H,11H2,1-2H3,(H,19,22)(H,20,23)/t15-/m0/s1/f/h19-20H	1E116EF29B6DC11C