InChI=1/C18H17N7O2/c1-2-23-15-9-5-6-10-16(15)24(18(23)27)11-17(26)20-13-7-3-4-8-14(13)25-12-19-21-22-25/h3-10,12H,2,11H2,1H3,(H,20,26)/f/h20H 688A76BA1B021E61