InChI=1/C19H18N2O4/c1-11-4-6-16-14(9-11)21-18(22)13-10-12(5-7-15(13)25-16)20-19(23)17-3-2-8-24-17/h4-7,9-10,17H,2-3,8H2,1H3,(H,20,23)(H,21,22)/t17-/m0/s1/f/h20-21H	54CBB6E1C05B347A