InChI=1/C17H16N4O4S2/c1-9-15-13(10(8-22)7-20-9)6-14(16(18)26)17(25-15)21-11-2-4-12(5-3-11)27(19,23)24/h2-7,22H,8H2,1H3,(H2,18,26)(H2,19,23,24)/p+1/b21-17+/fC17H17N4O4S2/h21H,18-19H2/q+1 04CAFFB278B9F43A