InChI=1/C19H17N5O3/c25-16(23-18-20-14-8-3-4-9-15(14)21-18)10-5-11-24-17(26)12-6-1-2-7-13(12)22-19(24)27/h1-4,6-9H,5,10-11H2,(H,22,27)(H2,20,21,23,25)/f/h20-22H F17913A82479FDBF