InChI=1/C19H18N2O4/c22-18-9-13(5-8-17(18)21(24)25)11-20-12-19(23)16-7-6-14-3-1-2-4-15(14)10-16/h1-10,19-20,22-23H,11-12H2/t19-/m0/s1 1084B752E838A1C9