InChI=1/C20H12N4O3S/c1-12-8-15(6-7-18(12)24(26)27)19(25)16(10-22)20-23-17(11-28-20)14-4-2-13(9-21)3-5-14/h2-8,11,16H,1H3/t16-/m1/s1 87804B2972759A74