InChI=1/C15H22N4O/c1-4-13-7-11(5-6-20-13)17-12-8-14-10(2)18-19(3)15(14)16-9-12/h8-9,11,13,17H,4-7H2,1-3H3/t11-,13+/m1/s1 8F322744F81B7B2F