InChI=1/C19H20N4O2/c20-11-5-6-14(12-21)13-23-17(24)19(22-18(23)25)10-4-3-8-15-7-1-2-9-16(15)19/h1-2,7,9,14H,3-6,8,10,13H2,(H,22,25)/t14-,19+/m1/s1/f/h22H 9FF49E646C37636C