InChI=1/C18H17N5O/c1-10-6-7-12-11(2)20-18(22-15(12)8-10)23-17-19-9-13-14(21-17)4-3-5-16(13)24/h6-9H,3-5H2,1-2H3,(H,19,20,21,22,23)/f/h23H 4383263A2405A32B