InChI=1/C17H17N5O/c1-11-9-12(2)22(21-11)17-19-15(14-7-5-4-6-8-14)10-16(20-17)18-13(3)23/h4-10H,1-3H3,(H,18,19,20,23)/f/h18H 66BD1E6AC3CDCA45