InChI=1/C14H17N3O4/c1-3-5-6-17-11-10(12(18)16-14(17)21)8(4-2)9(7-15-11)13(19)20/h7H,3-6H2,1-2H3,(H,19,20)(H,16,18,21)/p-1/fC14H16N3O4/h16H/q-1 E4F7EABFA3B3CC89