3-(2,6-dimethylpiperidin-1-ium-1-yl)propyl 2-sulfanylbenzoate,chloride

2-(4-chlorophenyl)thiochromen-4-one

naphtho[2,3-c]thioxanthene-5,8,14-trione

ethyl 2-(4-oxo-1,3-benzothiazin-2-yl)acetate

2-benzyl-1,3-benzothiazin-4-one