InChI=1/C20H16ClFN2O2S/c21-17-9-2-1-8-16(17)20-23-18-10-3-4-11-19(18)27(25,26)24(20)13-14-6-5-7-15(22)12-14/h1-12,20,23H,13H2/t20-/m0/s1 1E93AD692650EC2C