InChI=1/C15H14N2O3/c1-20-13(18)8-12-15(19)17-11-7-3-5-9-4-2-6-10(16-12)14(9)11/h2-7,12,16H,8H2,1H3,(H,17,19)/t12-/m1/s1/f/h17H 98F4472291C945A8