InChI=1/C14H20N4O3/c1-16-8-10-17(11-9-16)14(19)15-13-5-3-2-4-12(13)6-7-18(20)21/h2-5H,6-11H2,1H3,(H,15,19)/p+1/fC14H21N4O3/h15-16H/q+1 9827974BA7924921