InChI=1/C17H14N4O4S/c1-9-12(22)5-4-11-10(7-14(23)25-15(9)11)8-26-17-20-19-16(21(17)18)13-3-2-6-24-13/h2-7,22H,8,18H2,1H3 045791CD91E30A22