InChI=1/C16H22N4O/c17-11-16(19,14-4-2-1-3-5-14)12-20-8-6-13(7-9-20)10-15(18)21/h1-5,13H,6-10,12,19H2,(H2,18,21)/p+1/t16-/m1/s1/fC16H23N4O/h20H,18H2/q+1 58F0C886BF097A65