InChI=1/C16H20N4O/c1-10-8-11(2)19-16(14(10)15(18)21)20(3)9-12-4-6-13(17)7-5-12/h4-8H,9,17H2,1-3H3,(H2,18,21)/p+1/fC16H21N4O/h19H,18H2/q+1	C28171BACF1EE034