InChI=1/C20H14N4O3S/c1-10-3-5-12(26-10)7-16-19(25)24-18(23)13(8-21)17(14(9-22)20(24)28-16)15-6-4-11(2)27-15/h3-7,17H,23H2,1-2H3/b16-7-/t17-/m1/s1 BBFA7F8C9CD816F3