InChI=1/C14H13N3O5S/c1-10-6-8-11(9-7-10)14(18)15-16-23(21,22)13-5-3-2-4-12(13)17(19)20/h2-9,16H,1H3,(H,15,18)/f/h15H F4ECBAB5160F16B0