InChI=1/C14H19N3O4/c1-3-9(15)8-16-11-7-10(17(19)20)5-6-13(11)21-12(4-2)14(16)18/h5-7,9,12H,3-4,8,15H2,1-2H3/p+1/t9-,12+/m0/s1/fC14H20N3O4/h15H/q+1 5E7859E206A3D3DE