InChI=1/C14H20N2O3/c1-2-5-16-6-7-19-13(9-16)10-3-4-12(17)11(8-10)14(15)18/h3-4,8,13,17H,2,5-7,9H2,1H3,(H2,15,18)/t13-/m0/s1/f/h15H2 D71C031528555C6E