InChI=1/C20H19N3O3/c1-20(2)19(25)23-16-10-13(7-8-17(16)26-20)22-18(24)9-12-11-21-15-6-4-3-5-14(12)15/h3-8,10-11,21H,9H2,1-2H3,(H,22,24)(H,23,25)/f/h22-23H 5546C73B7F3F23B4