InChI=1/C16H20N4O2/c1-4-5-11-6-10(8-13(21-2)14(11)22-3)7-12-9-19-16(18)20-15(12)17/h4-6,8-9H,7H2,1-3H3,(H4,17,18,19,20)/p+1/b5-4+/fC16H21N4O2/h19H,17-18H2/q+1	E857E1E693A6E709