InChI=1/C19H25N5O2/c1-14-4-3-5-16(10-14)22-19(26)20-12-15-6-8-24(9-7-15)17-11-18(25)23(2)21-13-17/h3-5,10-11,13,15H,6-9,12H2,1-2H3,(H2,20,22,26)/f/h20,22H 3B9821DC5A40D682