InChI=1/C14H20N2O3/c17-12-13(7-3-1-4-8-13)11(15-18)14(16(12)19)9-5-2-6-10-14/h5,9,18-19H,1-4,6-8,10H2/b15-11+/t14-/m1/s1 FCB7467E2D09F21D