InChI=1S/C19H21N7/c20-11-15-13-22-26-17(15)24-18(21-12-14-7-3-1-4-8-14)25-19(26)23-16-9-5-2-6-10-16/h2,5-6,9-10,13-14H,1,3-4,7-8,12H2,(H2,21,23,24,25)