InChI=1/C18H19N5O/c24-18(14-6-7-15-16(12-14)21-22-20-15)19-9-3-10-23-11-8-13-4-1-2-5-17(13)23/h1-2,4-7,12H,3,8-11H2,(H,19,24)(H,20,21,22)/f/h19,22H D1673D79448990CA