InChI=1/C17H16N2O4/c1-11-2-4-12(5-3-11)16(20)18-19-17(21)13-6-7-14-15(10-13)23-9-8-22-14/h2-7,10H,8-9H2,1H3,(H,18,20)(H,19,21)/f/h18-19H	3834726928F92495