InChI=1/C15H14N4OS/c16-12-6-8-21-14(12)15(20)17-9-10-1-3-11(4-2-10)13-5-7-18-19-13/h1-8H,9,16H2,(H,17,20)(H,18,19)/f/h17-18H CDE4442CAFCA935F