InChI=1/C14H20N4O3/c1-10-4-3-5-11(2)17(10)16-14(19)15-12-6-8-13(9-7-12)18(20)21/h6-11H,3-5H2,1-2H3,(H2,15,16,19)/t10-,11-/m0/s1/f/h15-16H 9171B832151A6BA6