InChI=1/C19H20N4O/c20-18(24)15-7-4-8-16-17(15)22-19(21-16)14-6-3-5-13(11-14)12-23-9-1-2-10-23/h3-8,11H,1-2,9-10,12H2,(H2,20,24)(H,21,22)/p+1/fC19H21N4O/h21,23H,20H2/q+1 D1617759F15F4EE1