InChI=1/C14H18N4O3/c1-15-10-6-5-9(8-12(10)18(20)21)13-16-14(19)11-4-2-3-7-17(11)13/h5-6,8,11,13,15H,2-4,7H2,1H3,(H,16,19)/t11-,13-/m1/s1/f/h16H 4A95D152CE17F7B7