InChI=1S/C19H21N7O/c27-16-7-2-1-4-12-11-20-26-17(12)24-18(25-19(26)23-13-8-9-13)22-15-6-3-5-14(10-15)21-16/h3,5-6,10-11,13H,1-2,4,7-9H2,(H,21,27)(H2,22,23,24,25)