InChI=1/C19H20N4O/c20-18(24)15-4-3-5-16-17(15)22-19(21-16)14-8-6-13(7-9-14)12-23-10-1-2-11-23/h3-9H,1-2,10-12H2,(H2,20,24)(H,21,22)/p+1/fC19H21N4O/h21,23H,20H2/q+1 D23C0C7FBBFA679C