InChI=1/C19H24N4O2/c24-12-11-22-9-7-15(8-10-22)20-19-21-17-5-1-2-6-18(17)23(19)14-16-4-3-13-25-16/h1-6,13,15,24H,7-12,14H2,(H,20,21)/p+2/fC19H26N4O2/h20-22H/q+2 76AC24F8F84ECC40