InChI=1/C15H20N2O4/c1-11-13(3-2-4-14(11)17(20)21)16-9-7-12(8-10-16)5-6-15(18)19/h2-4,12H,5-10H2,1H3,(H,18,19)/p-1/fC15H19N2O4/q-1	8BCBCFE6D8A7A3B5