InChI=1/C16H24N4O/c1-10-12(9-17-20(10)5)14(21)19-18-13-8-11-6-7-16(13,4)15(11,2)3/h9,11H,6-8H2,1-5H3,(H,19,21)/b18-13-/t11-,16+/m1/s1/f/h19H FD30E7371DA21B54