InChI=1/C19H18N2O4/c1-19(2)24-15-8-7-11(9-16(15)25-19)20-18(23)13-10-17(22)21-14-6-4-3-5-12(13)14/h3-9,13H,10H2,1-2H3,(H,20,23)(H,21,22)/t13-/m1/s1/f/h20-21H	20302F6CB95FFD9C