InChI=1/C19H18N4O3/c1-11-16(8-12-6-7-15(26-2)10-17(12)21-11)18(24)22-13-4-3-5-14(9-13)23-19(20)25/h3-10H,1-2H3,(H,22,24)(H3,20,23,25)/f/h22-23H,20H2 7C5182E35E35BE53