InChI=1/C20H19N3O3/c1-12-7-14(8-15(10-21)20(24)22-16-3-4-16)13(2)23(12)17-5-6-18-19(9-17)26-11-25-18/h5-9,16H,3-4,11H2,1-2H3,(H,22,24)/b15-8+/f/h22H 9BF6D989A1FB71D8