InChI=1/C15H13N3O3/c1-9-4-2-7-12-13(9)16-14(17-15(12)19)10-5-3-6-11(8-10)18(20)21/h2-8,14,16H,1H3,(H,17,19)/t14-/m1/s1/f/h17H 14193DDF6CBA38B0