InChI=1/C13H14N2O3/c1-2-9(8-14)15-13(16)10-4-3-5-11-12(10)18-7-6-17-11/h3-5,9H,2,6-7H2,1H3,(H,15,16)/t9-/m1/s1/f/h15H B57D2B763CA8D737