InChI=1/C18H17N5O/c1-13-12-17(22-23(13)2)18(24)19-14-8-10-16(11-9-14)21-20-15-6-4-3-5-7-15/h3-12H,1-2H3,(H,19,24)/f/h19H 6E85A74EAC29A61E