1-(7-chloro-3-methyl-4H-1,4-benzothiazin-2-yl)ethanone

ethyl N-[4-chloro-2-(cyanomethylsulfonyl)phenyl]carbamate

ethyl N-[4-chloro-2-(cyanomethylsulfanyl)phenyl]carbamate

2-(2-amino-5-chlorophenyl)sulfanylacetonitrile

7-chloro-3-hydroxy-1,1-dioxo-4H-1λ⁶,4-benzothiazine-2-carbonitrile