InChI=1S/C19H23N7O/c1-20-18(27)13-25-10-6-14(7-11-25)23-19-21-8-5-15(24-19)16-12-22-17-4-2-3-9-26(16)17/h2-5,8-9,12,14H,6-7,10-11,13H2,1H3,(H,20,27)(H,21,23,24)