InChI=1/C16H20N2O4/c1-16(2)9-22-13-8-10(5-6-11(13)18-15(16)20)17-14(19)12-4-3-7-21-12/h5-6,8,12H,3-4,7,9H2,1-2H3,(H,17,19)(H,18,20)/t12-/m0/s1/f/h17-18H	8B4DF987859DB247