InChI=1/C18H16N2O3/c1-2-13(10-12-6-4-3-5-7-12)17(21)19-14-8-9-15-16(11-14)23-18(22)20-15/h3-11H,2H2,1H3,(H,19,21)(H,20,22)/b13-10+/f/h19-20H	B202D40419CE01DE