InChI=1/C18H16N6O3/c19-11-12-4-6-13(7-5-12)16(25)22-23-17(26)21-14-2-1-3-15(10-14)24-9-8-20-18(24)27/h1-7,10H,8-9H2,(H,20,27)(H,22,25)(H2,21,23,26)/f/h20-23H F9F419306CF6B2E6