InChI=1/C14H12ClFN2O3S/c1-6-9(12(19)13(20)21-2)11(18-14(22)17-6)10-7(15)4-3-5-8(10)16/h3-5,11H,1-2H3,(H2,17,18,22)/t11-/m0/s1/f/h17-18H 856F1FD08D3FD42F