InChI=1/C14H20N2O4/c1-20-12(9-5-6-10-13(17)16-19)14(18)15-11-7-3-2-4-8-11/h2-4,7-8,12,19H,5-6,9-10H2,1H3,(H,15,18)(H,16,17)/t12-/m0/s1/f/h15-16H	E7DA3D19F3EE1ACC