InChI=1/C15H12N4O2S/c20-14(10-6-7-10)18-15-17-11(9-4-2-1-3-5-9)12(22-15)13-16-8-21-19-13/h1-5,8,10H,6-7H2,(H,17,18,20)/f/h18H 7CFAFBB6D55247D9