InChI=1/C20H16N4O3/c1-24-18-12(11-21-20(23-18)22-13-6-3-2-4-7-13)10-14(19(24)27)17-15(25)8-5-9-16(17)26/h2-11,25-26H,1H3,(H,21,22,23)/f/h22H 38138D905D83D0E2