InChI=1/C14H20N2O4/c17-12(9-5-2-6-10-13(18)16-20)14(19)15-11-7-3-1-4-8-11/h1,3-4,7-8,12,17,20H,2,5-6,9-10H2,(H,15,19)(H,16,18)/t12-/m1/s1/f/h15-16H	A3821B19E7AC66F2