InChI=1/C18H19N5O2/c24-8-7-20-16-10-14(13-4-6-21-17(13)23-16)15-9-11(3-5-19-15)18(25)22-12-1-2-12/h3-6,9-10,12,24H,1-2,7-8H2,(H,22,25)(H2,20,21,23)/f/h20-22H 67245C63E37141EE