InChI=1/C16H14N4O6S/c1-8-9(2)27-14(13(8)16(23)26-3)18-12(21)7-19-6-11(20(24)25)4-10(5-17)15(19)22/h4,6H,7H2,1-3H3,(H,18,21)/f/h18H 0B3B211F8A43A3F6