InChI=1/C15H14N2O4/c1-9(14(19)17-15(16)20)21-13-7-6-10-4-2-3-5-11(10)12(13)8-18/h2-9H,1H3,(H3,16,17,19,20)/t9-/m0/s1/f/h17H,16H2	23D5B3D0B9E43384