InChI=1/C18H17N5O2/c1-11-9-14(24)5-6-15(11)22-16-7-8-20-18(23-16)21-13-4-2-3-12(10-13)17(19)25/h2-10,24H,1H3,(H2,19,25)(H2,20,21,22,23)/f/h21-22H,19H2 4C5574E5E90344EC