InChI=1/C14H20N2O3/c1-2-10-9-16(3-4-17-10)12-8-14-13(7-11(12)15)18-5-6-19-14/h7-8,10H,2-6,9,15H2,1H3/t10-/m1/s1 0351D4DBFB814099