InChI=1/C15H11FN2OS2/c16-12-5-2-1-4-10(12)8-11-9-17-15(21-11)18-14(19)13-6-3-7-20-13/h1-7,9H,8H2,(H,17,18,19)/f/h18H 2B4DB89AC1501729