InChI=1/C22H18N4O2/c23-21(27)17-5-1-3-7-19(17)25-13-15-9-11-16(12-10-15)14-26-20-8-4-2-6-18(20)22(24)28/h1-14H,(H2,23,27)(H2,24,28)/f/h23-24H2 19124420CC5A5B23