InChI=1/C18H15N3O6/c22-10-13-9-14(23)17(24)18(27-13)16(20-15-6-1-2-7-19-15)11-4-3-5-12(8-11)21(25)26/h1-9,16,22,24H,10H2,(H,19,20)/t16-/m1/s1/f/h20H 6439349917FBEA19