InChI=1/C15H12N4O3S/c20-15(18-5-3-13-9(8-18)4-6-23-13)14-11-7-10(19(21)22)1-2-12(11)16-17-14/h1-2,4,6-7H,3,5,8H2,(H,16,17)/f/h16H B6A3AD73917B85D2