InChI=1/C16H20N2O4/c1-12-4-3-5-13(10-12)18-16(20)14(11-17)15(19)6-7-22-9-8-21-2/h3-5,10,19H,6-9H2,1-2H3,(H,18,20)/p-1/b15-14-/fC16H19N2O4/h19h,18H/q-1	5B374DAE2174F103