InChI=1/C18H17N5O/c1-2-5-13-12(4-1)16(22-21-13)18-19-14-6-3-7-15(17(14)20-18)23-8-10-24-11-9-23/h1-7H,8-11H2,(H,19,20)(H,21,22)/f/h19,21H FA00BE8C1CE89C50