InChI=1/C14H18N4O3/c1-17(2)8-9-12(15)18(14(20)16-13(9)19)10-6-4-5-7-11(10)21-3/h4-7H,8,15H2,1-3H3,(H,16,19,20)/p+1/fC14H19N4O3/h16-17H/q+1 0D39522B9B6FE04A