InChI=1/C13H14N2O3/c16-9-2-1-5-15(7-9)8-3-4-10-11(6-8)14-13(18)12(10)17/h3-4,6,9,16H,1-2,5,7H2,(H,14,17,18)/t9-/m1/s1/f/h14H B7EF058EC4BF5C3D