InChI=1/C19H22N4/c1-3-7-15(8-4-1)17-18(16-9-5-2-6-10-16)23(17)14-13-22-19-20-11-12-21-19/h1-10,17-18H,11-14H2,(H2,20,21,22)/p+2/t17-,18+,23?/fC19H24N4/h20-23H/q+2/t17-,18+	B24843969E2C60A2