InChI=1/C19H20N4O/c1-23-11-3-6-16(23)12-7-9-13(10-8-12)19-21-15-5-2-4-14(18(20)24)17(15)22-19/h2,4-5,7-10,16H,3,6,11H2,1H3,(H2,20,24)(H,21,22)/p+1/t16-/m1/s1/fC19H21N4O/h21,23H,20H2/q+1 87CFB44CD3FF8C8C