InChI=1/C15H18N4O/c16-12-6-5-10(14-11(12)3-1-7-18-14)9-19-8-2-4-13(19)15(17)20/h1,3,5-7,13H,2,4,8-9,16H2,(H2,17,20)/p+1/t13-/m1/s1/fC15H19N4O/h19H,17H2/q+1 67EC361AA58472F2