InChI=1/C16H14N4O2/c17-13-7-6-11-14(21)12(9-18-15(11)20-13)16(22)19-8-10-4-2-1-3-5-10/h1-7,9H,8H2,(H,19,22)(H3,17,18,20,21)/f/h18-19H,17H2 D8F63399688EB200