InChI=1/C16H21N5O/c1-11(9-12-3-2-6-18-10-12)19-16-20-14-5-8-17-7-4-13(14)15(22)21-16/h2-3,6,10-11,17H,4-5,7-9H2,1H3,(H2,19,20,21,22)/p+1/t11-/m0/s1/fC16H22N5O/h17,19,21H/q+1 B9B4BC647283ED5F