InChI=1/C14H18N4O3/c1-7-11-8(2)21-14(12(11)13(20)17-16-7)15-10(19)6-18(3)9-4-5-9/h9H,4-6H2,1-3H3,(H,15,19)(H,17,20)/p+1/fC14H19N4O3/h15,17-18H/q+1 BD450D8439F09961