InChI=1/C16H14N4OS/c17-15-10-5-1-3-7-12(10)19-14(20-15)9-22-13-8-4-2-6-11(13)16(18)21/h1-8H,9H2,(H2,18,21)(H2,17,19,20)/f/h17-18H2 E447531835C1F23B