InChI=1/C18H16N2O4/c21-6-4-10-2-1-3-14-16(10)12(17(22)20-14)8-15-11-5-7-24-18(23)13(11)9-19-15/h1-3,8-9,19,21H,4-7H2,(H,20,22)/b12-8-/f/h20H	6127EC127D96984E