InChI=1/C18H13N3O6/c1-18(13-7-4-8-26-13)16(24)21(17(25)19-18)20-14(22)11-9-10-5-2-3-6-12(10)27-15(11)23/h2-9H,1H3,(H,19,25)(H,20,22)/t18-/m1/s1/f/h19-20H ED6E2952C63DF0A8