InChI=1/C19H24N4O2/c24-18-16-12-22(15-9-5-2-6-10-15)13-20-17(16)23(19(25)21-18)11-14-7-3-1-4-8-14/h1,3-4,7-8,15,20H,2,5-6,9-13H2,(H,21,24,25)/f/h21H D4C8DBEAED61318F