InChI=1/C15H18N4O3/c1-3-7-18-13-11(14(20)19(8-4-2)15(18)21)16-12(17-13)10-6-5-9-22-10/h5-6,9,20H,3-4,7-8H2,1-2H3/p-1/fC15H17N4O3/h20h/q-1 0146294A5D28FB0C