InChI=1/C16H20N4O/c1-19-9-2-6-16(15(19)21)7-10-20(11-16)13-4-3-12-5-8-17-14(12)18-13/h3-5,8H,2,6-7,9-11H2,1H3,(H,17,18)/t16-/m0/s1/f/h17H	9B79F64E05B9FB64