InChI=1/C18H14N6O3/c1-11-10-16(23(22-11)12-6-8-13(9-7-12)24(26)27)21-17-18(25)20-15-5-3-2-4-14(15)19-17/h2-10H,1H3,(H,19,21)(H,20,25)/f/h20-21H 6A37EDE482783765