InChI=1/C11H18N4O/c1-7-4-3-5-9(8(7)2)13-11(16)10-6-12-15-14-10/h6-9H,3-5H2,1-2H3,(H,13,16)(H,12,14,15)/t7-,8+,9-/m0/s1/f/h13-14H BEF487DFEB9B7F12