InChI=1/C22H18N4O2/c1-14-5-8-17(9-6-14)25-21(27)15-3-2-4-18(11-15)26-22(28)16-7-10-19-20(12-16)24-13-23-19/h2-13H,1H3,(H,23,24)(H,25,27)(H,26,28)/f/h23,25-26H C4A47F88E0024B4A