InChI=1/C18H17N5O2/c1-11-4-2-7-14(24)16(11)22-15-8-9-20-18(23-15)21-13-6-3-5-12(10-13)17(19)25/h2-10,24H,1H3,(H2,19,25)(H2,20,21,22,23)/f/h21-22H,19H2 C4EFB8BE45941488