InChI=1/C20H16N4O2/c21-19(22)12-9-10-15-16(11-12)24-20(23-15)14-7-4-8-17(18(14)25)26-13-5-2-1-3-6-13/h1-11,25H,(H3,21,22)(H,23,24)/p+1/fC20H17N4O2/h23H,21-22H2/q+1 BD4A25F3873C8FA7