InChI=1/C19H25N5O2/c1-13-3-4-16(20-11-13)19(26)6-9-24(10-7-19)18(25)17-14-12-23(2)8-5-15(14)21-22-17/h3-4,11,26H,5-10,12H2,1-2H3,(H,21,22)/p+1/fC19H26N5O2/h22-23H/q+1 91AE0B243FB1B3A0