InChI=1/C21H18N2O4/c24-18-12-15-4-2-1-3-14(15)11-17(18)21(26)23-22-20(25)10-13-5-6-19-16(9-13)7-8-27-19/h1-6,9,11-12,24H,7-8,10H2,(H,22,25)(H,23,26)/f/h22-23H	1C7A94B757EC262B