InChI=1/C19H21FN2O6S/c20-17-4-2-1-3-14(17)13-28-15-5-7-16(8-6-15)29(25,26)22-19(18(23)21-24)9-11-27-12-10-19/h1-8,22,24H,9-13H2,(H,21,23)/f/h21H F3417F0640DC356E